Update explanation of modular exponentiation

Fix formatting in TruncatablePrimes.ipynb
Fix wording in TruncatablePrimes.ipynb
2026-03-29 19:44:23 -07:00 · 2026-03-29 18:50:31 -07:00 · 2026-03-29 18:50:08 -07:00 · 2026-03-29 18:32:37 -07:00 · 2026-03-25 17:16:09 -07:00 · 2026-03-25 11:11:41 -07:00
117 changed files with 20843 additions and 60346 deletions
--- a/.github/workflows/on-file-change.yml
+++ b/.github/workflows/on-file-change.yml
@@ -0,0 +1,34 @@
+name: Update README from Pytudes
+
+on:
+  push:
+    paths:
+      - 'py/pytudes.py'
+
+jobs:
+  build-and-update:
+    runs-on: ubuntu-latest
+    # Added permissions to allow the bot to write to the repo
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Run pytudes.py
+        run: python py/pytudes.py
+
+      - name: Commit and push if README changed
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add README.md
+          # The || exit 0 prevents the workflow from failing if there are no changes
+          git commit -m "docs: auto-update README.md via pytudes.py" || exit 0
+          git push
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@

 <div align="right" style="text-align:right"><i>Peter Norvig
-<br><a href="https://github.com/norvig/pytudes/blob/main/LICENSE">MIT License</a><br>2015-2022</i></div>
+<br><a href="https://github.com/norvig/pytudes/blob/main/LICENSE">MIT License</a><br>2015-2026</i></div>

 # pytudes

@@ -13,7 +13,6 @@ This project contains ***pytudes***—Python programs, usually short, for perfec

 To continue the musical analogy, some people think of programming like [Spotify](http://spotify.com): they want to know how to install the app, find a good playlist, and hit the "play" button; after that they don't want to think about it. There are plenty of other tutorials that will tell you how to do the equivalent of that for various programming tasks—this one won't help. But if you think of programming like playing the piano—a craft that can take [years](https://norvig.com/21-days.html) to perfect—then I hope this collection can help.

-
 # Index of Jupyter (IPython) Notebooks

 For each notebook you can hover on the title to see a description, or click the title to view on github, or click one of the letters in the left column to launch the notebook on 
@@ -27,19 +26,16 @@ For each notebook you can hover on the title to see a description, or click the

 |Run|Year|New|
 |---|---|---|
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/TruncatablePrimes.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTruncatablePrimes.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTruncatablePrimes.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/TruncatablePrimes.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/TruncatablePrimes.ipynb) | <u>2026</u> | <a href="ipynb/TruncatablePrimes.ipynb" title="Prime numbers where you can remove digits and still get primes.">Truncatable Primes</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2025.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2025.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2025.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2025.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2025.ipynb) | 2025 | <a href="ipynb/Advent-2025.ipynb" title="Puzzle site with a coding puzzle for 12 days of Christmas, December 2025">Advent of Code 2025</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2025-AI.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2025-AI.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) | 2025 | <a href="ipynb/Advent-2025-AI.ipynb" title="Using large language coding models to solve AoC puzzles">Advent of Code 2025: AI LLM edition</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2024.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2024.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) | <u>2024</u> | <a href="ipynb/Advent-2024.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2024">Advent of Code 2024</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FPaint.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FPaint.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) | <u>2024</u> | <a href="ipynb/Paint.ipynb" title="What is the average cluster size of a random grid of colored squares?">Counting Cluster Sizes in Paint by Numbers</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCherylMind.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCherylMind.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) | <u>2024</u> | <a href="ipynb/CherylMind.ipynb" title="Do LLMs have enough theory of mind to solve the Cheryl's Birthday puzzle?">LLMs, Theory of Mind, and Cheryl's Birthday</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FNumberBracelets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FNumberBracelets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) | <u>2024</u> | <a href="ipynb/NumberBracelets.ipynb" title="A game involving numbered beads on a circular bracelet.">Number Bracelets Game</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FOvertime.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FOvertime.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) | <u>2024</u> | <a href="ipynb/Overtime.ipynb" title="In American Football, which team has the advantage in overtime?">Overtime in American Football</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FStubborn.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FStubborn.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) | <u>2024</u> | <a href="ipynb/Stubborn.ipynb" title="Any number ending in 5 has a square that also ends in 5. What other endings are like this?">Stubborn number endings</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTriplets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTriplets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) | <u>2024</u> | <a href="ipynb/Triplets.ipynb" title="LLMs do better at producing a program to solve this puzzle than they do at solving it directly">The Languages of English, Math, and Programming</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2023.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2023.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2023.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2023.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2023.ipynb) | 2023 | <a href="ipynb/Advent-2023.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2023">Advent of Code 2023</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/DocstringFixpoint.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FDocstringFixpoint.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FDocstringFixpoint.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/DocstringFixpoint.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/DocstringFixpoint.ipynb) | 2023 | <a href="ipynb/DocstringFixpoint.ipynb" title="An approach to writing code and docstrings that go together.">Docstring Fixpoint Theory</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/OneLetterOff.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FOneLetterOff.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FOneLetterOff.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/OneLetterOff.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/OneLetterOff.ipynb) | 2023 | <a href="ipynb/OneLetterOff.ipynb" title="Word game; use of a large language model to generate clues.">One Letter Off</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Diamonds.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FDiamonds.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FDiamonds.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Diamonds.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Diamonds.ipynb) | 2023 | <a href="ipynb/Diamonds.ipynb" title="Finding an optimal strategy for buying bags with unknown numbers of diamonds.">The Diamond Game: A Probability Puzzle</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2025-AI.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2025-AI.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) | 2025 | <a href="ipynb/Advent-2025-AI.ipynb" title="Using large language coding models to solve AoC puzzles">Advent of Code 2025: AI LLM Edition</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2024.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2024.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) | 2024 | <a href="ipynb/Advent-2024.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2024">Advent of Code 2024</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FPaint.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FPaint.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) | 2024 | <a href="ipynb/Paint.ipynb" title="What is the average cluster size of a random grid of colored squares?">Counting Cluster Sizes in Paint by Numbers</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCherylMind.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCherylMind.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) | 2024 | <a href="ipynb/CherylMind.ipynb" title="Do LLMs have enough theory of mind to solve the Cheryl's Birthday puzzle?">LLMs, Theory of Mind, and Cheryl's Birthday</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FNumberBracelets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FNumberBracelets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) | 2024 | <a href="ipynb/NumberBracelets.ipynb" title="A game involving numbered beads on a circular bracelet.">Number Bracelets Game</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FOvertime.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FOvertime.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) | 2024 | <a href="ipynb/Overtime.ipynb" title="In American Football, which team has the advantage in overtime?">Overtime in American Football</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FStubborn.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FStubborn.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) | 2024 | <a href="ipynb/Stubborn.ipynb" title="Any number ending in 5 has a square that also ends in 5. What other endings are like this?">Stubborn number endings</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTriplets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTriplets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) | 2024 | <a href="ipynb/Triplets.ipynb" title="LLMs do better at producing a program to solve this puzzle than they do at solving it directly">The Languages of English, Math, and Programming</a> |


 |Run|Year|Programming Examples|
@@ -52,7 +48,7 @@ For each notebook you can hover on the title to see a description, or click the
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Sierpinski.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSierpinski.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSierpinski.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Sierpinski.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Sierpinski.ipynb) | 2019 | <a href="ipynb/Sierpinski.ipynb" title="A surprising appearance of the Sierpinski triangle in a random walk">Chaos with Triangles</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Life.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FLife.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FLife.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Life.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Life.ipynb) | 2017 | <a href="ipynb/Life.ipynb" title="The cellular automata zero-player game">Conway's Game of Life</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Maze.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FMaze.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FMaze.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Maze.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Maze.ipynb) | 2020 | <a href="ipynb/Maze.ipynb" title="Make a maze by generating a random tree superimposed on a grid and solve it">Generating and Solving Mazes</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTriplets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTriplets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) | <u>2024</u> | <a href="ipynb/Triplets.ipynb" title="LLMs do better at producing a program to solve this puzzle than they do at solving it directly">The Languages of English, Math, and Programming</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTriplets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTriplets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Triplets.ipynb) | 2024 | <a href="ipynb/Triplets.ipynb" title="LLMs do better at producing a program to solve this puzzle than they do at solving it directly">The Languages of English, Math, and Programming</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Konane.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FKonane.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FKonane.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Konane.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Konane.ipynb) | 2021 | <a href="ipynb/Konane.ipynb" title="Solving the game of Konane (Hawaiian checkers).">Mel's Konane Board</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/PhotoFocalLengths.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FPhotoFocalLengths.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FPhotoFocalLengths.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/PhotoFocalLengths.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/PhotoFocalLengths.ipynb) | 2020 | <a href="ipynb/PhotoFocalLengths.ipynb" title="Generate charts of what focal lengths were used on a photo trip">Photo Focal Lengths</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Pickleball.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FPickleball.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FPickleball.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Pickleball.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Pickleball.ipynb) | 2018 | <a href="ipynb/Pickleball.ipynb" title="Scheduling a doubles tournament fairly and efficiently">Pickleball Tournament</a> |
@@ -63,9 +59,9 @@ For each notebook you can hover on the title to see a description, or click the

 |Run|Year|Advent of Code|
 |---|---|---|
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2025-AI.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2025-AI.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) | 2025 | <a href="ipynb/Advent-2025-AI.ipynb" title="Using large language coding models to solve AoC puzzles">AoC 2025: AI LLM edition</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2025-AI.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2025-AI.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2025-AI.ipynb) | 2025 | <a href="ipynb/Advent-2025-AI.ipynb" title="Using large language coding models to solve AoC puzzles">Advent of Code 2025: AI LLM Edition</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2025.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2025.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2025.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2025.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2025.ipynb) | 2025 | <a href="ipynb/Advent-2025.ipynb" title="Puzzle site with a coding puzzle for 12 days of Christmas, December 2025">Advent of Code 2025</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2024.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2024.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) | <u>2024</u> | <a href="ipynb/Advent-2024.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2024">Advent of Code 2024</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2024.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2024.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2024.ipynb) | 2024 | <a href="ipynb/Advent-2024.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2024">Advent of Code 2024</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2023.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2023.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2023.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2023.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2023.ipynb) | 2023 | <a href="ipynb/Advent-2023.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2023">Advent of Code 2023</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2022.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2022.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2022.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2022.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2022.ipynb) | 2022 | <a href="ipynb/Advent-2022.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2022">Advent of Code 2022</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Advent-2021.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FAdvent-2021.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FAdvent-2021.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Advent-2021.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Advent-2021.ipynb) | 2021 | <a href="ipynb/Advent-2021.ipynb" title="Puzzle site with a coding puzzle each day of Advent, December 2021">Advent of Code 2021</a> |
@@ -86,7 +82,7 @@ For each notebook you can hover on the title to see a description, or click the
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Coin%20Flip.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCoin%20Flip.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCoin%20Flip.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Coin%20Flip.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Coin%20Flip.ipynb) | 2019 | <a href="ipynb/Coin%20Flip.ipynb" title="How to beat the Devil at his own game">The Devil and the Coin Flip Game</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Dice%20Baseball.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FDice%20Baseball.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FDice%20Baseball.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Dice%20Baseball.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Dice%20Baseball.ipynb) | 2020 | <a href="ipynb/Dice%20Baseball.ipynb" title="Simulating baseball games">Dice Baseball</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Economics.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FEconomics.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FEconomics.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Economics.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Economics.ipynb) | 2018 | <a href="ipynb/Economics.ipynb" title="A simulation of a simple economic game">Economics Simulation</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FOvertime.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FOvertime.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) | <u>2024</u> | <a href="ipynb/Overtime.ipynb" title="In American Football, which team has the advantage in overtime?">Overtime in American Football</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FOvertime.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FOvertime.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Overtime.ipynb) | 2024 | <a href="ipynb/Overtime.ipynb" title="In American Football, which team has the advantage in overtime?">Overtime in American Football</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/poker.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2Fpoker.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2Fpoker.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/poker.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/poker.ipynb) | 2012 | <a href="ipynb/poker.ipynb" title="How do we decide which poker hand wins? Several variants of poker are considered">Poker Hand Ranking</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/risk.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2Frisk.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2Frisk.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/risk.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/risk.ipynb) | 2020 | <a href="ipynb/risk.ipynb" title="Determining who is likely to win an interminably long game of Risk">The Unfinished Game .... of Risk</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/WWW.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FWWW.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FWWW.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/WWW.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/WWW.ipynb) | 2019 | <a href="ipynb/WWW.ipynb" title="Computing the probability of winning the NBA title, for my home town Warriors, or any other team">WWW: Who Will Win (NBA Title)?</a> |
@@ -94,24 +90,24 @@ For each notebook you can hover on the title to see a description, or click the

 |Run|Year|Logic and Number/Counting Puzzles|
 |---|---|---|
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FPaint.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FPaint.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) | <u>2024</u> | <a href="ipynb/Paint.ipynb" title="What is the average cluster size of a random grid of colored squares?">Counting Cluster Sizes in Paint by Numbers</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FPaint.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FPaint.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Paint.ipynb) | 2024 | <a href="ipynb/Paint.ipynb" title="What is the average cluster size of a random grid of colored squares?">Counting Cluster Sizes in Paint by Numbers</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Cryptarithmetic.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCryptarithmetic.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCryptarithmetic.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Cryptarithmetic.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Cryptarithmetic.ipynb) | 2014 | <a href="ipynb/Cryptarithmetic.ipynb" title="Substitute digits for letters and make NUM + BER = PLAY">Cryptarithmetic</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Euler's%20Conjecture.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FEuler's%20Conjecture.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FEuler's%20Conjecture.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Euler's%20Conjecture.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Euler's%20Conjecture.ipynb) | 2018 | <a href="ipynb/Euler's%20Conjecture.ipynb" title="Solving a 200-year-old puzzle by finding integers that satisfy a<sup>5</sup> + b<sup>5</sup> + c<sup>5</sup> + d<sup>5</sup> = e<sup>5</sup>">Euler's Sum of Powers Conjecture</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Countdown.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCountdown.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCountdown.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Countdown.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Countdown.ipynb) | 2020 | <a href="ipynb/Countdown.ipynb" title="Solving the equation 10 _ 9 _ 8 _ 7 _ 6 _ 5 _ 4 _ 3 _ 2 _ 1 = 2016. Originally from an Alex Bellos puzzle">Four 4s, Five 5s, and Countdowns</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/How%20To%20Count%20Things.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FHow%20To%20Count%20Things.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FHow%20To%20Count%20Things.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/How%20To%20Count%20Things.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/How%20To%20Count%20Things.ipynb) | 2020 | <a href="ipynb/How%20To%20Count%20Things.ipynb" title="Combinatorial math: how to count how many things there are, when there are a lot of them">How to Count Things</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/KenKen.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FKenKen.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FKenKen.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/KenKen.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/KenKen.ipynb) | 2021 | <a href="ipynb/KenKen.ipynb" title="A Sudoku-like puzzle, but with arithmetic.">KenKen (Sudoku-like Puzzle)</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FNumberBracelets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FNumberBracelets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) | <u>2024</u> | <a href="ipynb/NumberBracelets.ipynb" title="A game involving numbered beads on a circular bracelet.">Number Bracelets Game</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FNumberBracelets.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FNumberBracelets.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/NumberBracelets.ipynb) | 2024 | <a href="ipynb/NumberBracelets.ipynb" title="A game involving numbered beads on a circular bracelet.">Number Bracelets Game</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Socks.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSocks.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSocks.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Socks.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Socks.ipynb) | 2019 | <a href="ipynb/Socks.ipynb" title="What is the probability that you will be able to pair up socks as you randomly pull them out of the dryer?">Pairing Socks</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Sicherman%20Dice.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSicherman%20Dice.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSicherman%20Dice.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Sicherman%20Dice.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Sicherman%20Dice.ipynb) | 2018 | <a href="ipynb/Sicherman%20Dice.ipynb" title="Find a pair of dice that is like a regular pair of dice, only different">Sicherman Dice</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Golomb-Puzzle.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FGolomb-Puzzle.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FGolomb-Puzzle.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Golomb-Puzzle.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Golomb-Puzzle.ipynb) | 2014 | <a href="ipynb/Golomb-Puzzle.ipynb" title="A Puzzle involving placing rectangles of different sizes inside a square">Sol Golomb's Rectangle Puzzle</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FStubborn.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FStubborn.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) | <u>2024</u> | <a href="ipynb/Stubborn.ipynb" title="Any number ending in 5 has a square that also ends in 5. What other endings are like this?">Stubborn number endings</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FStubborn.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FStubborn.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Stubborn.ipynb) | 2024 | <a href="ipynb/Stubborn.ipynb" title="Any number ending in 5 has a square that also ends in 5. What other endings are like this?">Stubborn number endings</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/StarBattle.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FStarBattle.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FStarBattle.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/StarBattle.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/StarBattle.ipynb) | 2021 | <a href="ipynb/StarBattle.ipynb" title="Fill-in-the-grid puzzle similar to Sudoku">Star Battle (Sudoku-like Puzzle)</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Sudoku.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSudoku.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSudoku.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Sudoku.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Sudoku.ipynb) | 2006 | <a href="ipynb/Sudoku.ipynb" title="Classic fill-in-the-grid puzzle">Sudoku</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/SudokuJava.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSudokuJava.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSudokuJava.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/SudokuJava.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/SudokuJava.ipynb) | 2021 | <a href="ipynb/SudokuJava.ipynb" title="A version of the Sudoku solver using parallel threads and other optimizations">Sudoku: 100,000 puzzles/second in Java</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/SquareSum.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSquareSum.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSquareSum.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/SquareSum.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/SquareSum.ipynb) | 2020 | <a href="ipynb/SquareSum.ipynb" title="Place the numbers from 1 to n in a chain (or a circle) such that adjacent pairs sum to a perfect square">Square Sum Puzzle</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Cheryl.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCheryl.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCheryl.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Cheryl.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Cheryl.ipynb) | 2020 | <a href="ipynb/Cheryl.ipynb" title="Solving the *Cheryl's Birthday* logic puzzle">When is Cheryl's Birthday?</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Cheryl-and-Eve.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCheryl-and-Eve.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCheryl-and-Eve.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Cheryl-and-Eve.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Cheryl-and-Eve.ipynb) | 2015 | <a href="ipynb/Cheryl-and-Eve.ipynb" title="Inventing new puzzles in the Style of Cheryl's Birthday">When Cheryl Met Eve: A Birthday Story</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCherylMind.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCherylMind.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) | <u>2024</u> | <a href="ipynb/CherylMind.ipynb" title="Do LLMs have enough theory of mind to solve the Cheryl's Birthday puzzle?">LLMs, Theory of Mind, and Cheryl's Birthday</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FCherylMind.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FCherylMind.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/CherylMind.ipynb) | 2024 | <a href="ipynb/CherylMind.ipynb" title="Do LLMs have enough theory of mind to solve the Cheryl's Birthday puzzle?">LLMs, Theory of Mind, and Cheryl's Birthday</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/xkcd1313.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2Fxkcd1313.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2Fxkcd1313.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/xkcd1313.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/xkcd1313.ipynb) | 2015 | <a href="ipynb/xkcd1313.ipynb" title="Find the smallest regular expression; inspired by Randall Munroe">xkcd 1313: Regex Golf</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/xkcd1313-part2.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2Fxkcd1313-part2.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2Fxkcd1313-part2.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/xkcd1313-part2.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/xkcd1313-part2.ipynb) | 2015 | <a href="ipynb/xkcd1313-part2.ipynb" title="Regex Golf: better, faster, funner (with Stefan Pochmann)">xkcd 1313: Regex Golf (Part 2: Infinite Problems)</a> |

@@ -146,7 +142,7 @@ For each notebook you can hover on the title to see a description, or click the
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/RiddlerLottery.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FRiddlerLottery.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FRiddlerLottery.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/RiddlerLottery.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/RiddlerLottery.ipynb) | 2019 | <a href="ipynb/RiddlerLottery.ipynb" title="Can you find what lottery number tickets these five friends picked?">Lottery</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/NightKing.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FNightKing.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FNightKing.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/NightKing.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/NightKing.ipynb) | 2019 | <a href="ipynb/NightKing.ipynb" title="A battle between the army of the dead and the army of the living">How Many Soldiers to Beat the Night King?</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Mean%20Misanthrope%20Density.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FMean%20Misanthrope%20Density.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FMean%20Misanthrope%20Density.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Mean%20Misanthrope%20Density.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Mean%20Misanthrope%20Density.ipynb) | 2017 | <a href="ipynb/Mean%20Misanthrope%20Density.ipynb" title="How crowded will this neighborhood be, if nobody wants to live next door to anyone else?">Misanthropic Neighbors</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Orderable%20Cards.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FOrderable%20Cards.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FOrderable%20Cards.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Orderable%20Cards.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Orderable%20Cards.ipynb) | 2018 | <a href="ipynb/Orderable%20Cards.ipynb" title="Can you get your hand of cards into a nice order with just one move?">Properly Ordered Card Hands</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Orderable%20Cards.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FOrderable%20Cards.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FOrderable%20Cards.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Orderable%20Cards.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Orderable%20Cards.ipynb) | 2018 | <a href="ipynb/Orderable%20Cards.ipynb" title="Can you get your hand of cards into a nice order with just one move?">Properly Organized Card Hands</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/RaceTrack.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FRaceTrack.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FRaceTrack.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/RaceTrack.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/RaceTrack.ipynb) | 2021 | <a href="ipynb/RaceTrack.ipynb" title="Race virtual cars around a circular track defined on a grid of points.">Race Track</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/SplitStates.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSplitStates.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSplitStates.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/SplitStates.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/SplitStates.ipynb) | 2021 | <a href="ipynb/SplitStates.ipynb" title="Split the US states into two near-halves by area.">Split the States</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/TourDe538.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTourDe538.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTourDe538.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/TourDe538.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/TourDe538.ipynb) | 2020 | <a href="ipynb/TourDe538.ipynb" title="Solve a puzzle involving the best pace for a bicycle race.">Tour de 538</a> |
@@ -160,9 +156,10 @@ For each notebook you can hover on the title to see a description, or click the
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Convex%20Hull.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FConvex%20Hull.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FConvex%20Hull.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Convex%20Hull.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Convex%20Hull.ipynb) | 2017 | <a href="ipynb/Convex%20Hull.ipynb" title="A classic Computer Science Algorithm">Convex Hull Problem</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/DocstringFixpoint.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FDocstringFixpoint.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FDocstringFixpoint.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/DocstringFixpoint.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/DocstringFixpoint.ipynb) | 2023 | <a href="ipynb/DocstringFixpoint.ipynb" title="An approach to writing code and docstrings that go together.">Docstring Fixpoint Theory</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/StableMatching.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FStableMatching.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FStableMatching.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/StableMatching.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/StableMatching.ipynb) | 2020 | <a href="ipynb/StableMatching.ipynb" title="What is the best way to pair up two groups with each other, obeying preferences?">Stable Matching Problem</a> |
-| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Differentiation.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FDifferentiation.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FDifferentiation.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Differentiation.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Differentiation.ipynb) | 2017 | <a href="ipynb/Differentiation.ipynb" title="A computer algebra system that, including symbolic differentiation">Symbolic Algebra, Simplification, and Differentiation</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Differentiation.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FDifferentiation.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FDifferentiation.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Differentiation.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Differentiation.ipynb) | 2017 | <a href="ipynb/Differentiation.ipynb" title="A computer algebra system, including symbolic differentiation">Symbolic Algebra, Simplification, and Differentiation</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/Snobol.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FSnobol.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FSnobol.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/Snobol.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/Snobol.ipynb) | 2017 | <a href="ipynb/Snobol.ipynb" title="As a student, did you ever get a bad grade on a programming assignment?">Snobol: Bad Grade, Good Experience</a> |
 | [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/TSP.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTSP.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTSP.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/TSP.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/TSP.ipynb) | 2018 | <a href="ipynb/TSP.ipynb" title="Another of the classics">Traveling Salesperson Problem</a> |
+| [C](https://colab.research.google.com/github/norvig/pytudes/blob/main/ipynb/TruncatablePrimes.ipynb) [D](https://beta.deepnote.org/launch?template=python_3.6&url=https%3A%2F%2Fgithub.com%2Fnorvig%2Fpytudes%2Fblob%2Fmain%2Fipynb%2FTruncatablePrimes.ipynb) [M](https://mybinder.org/v2/gh/norvig/pytudes/main?filepath=ipynb%2FTruncatablePrimes.ipynb) [N](https://nbviewer.jupyter.org/github/norvig/pytudes/blob/main/ipynb/TruncatablePrimes.ipynb) [S](https://studiolab.sagemaker.aws/import/github/norvig/pytudes/blob/main/ipynb/TruncatablePrimes.ipynb) | <u>2026</u> | <a href="ipynb/TruncatablePrimes.ipynb" title="Prime numbers where you can remove digits and still get primes.">Truncatable Primes</a> |

 # Index of Python Files

@@ -189,9 +186,25 @@ For each notebook you can hover on the title to see a description, or click the
 |[yaptu.py](/py/yaptu.py)|*Yet Another Python Templating Utility*||

 # Etudes for Programmers
+
 I got the idea for the *"etudes"* part of the name from
 this [1978 book](https://books.google.com/books/about/Etudes_for_programmers.html?id=u89WAAAAMAAJ)
 by [Charles Wetherell](http://demin.ws/blog/english/2012/08/25/interview-with-charles-wetherell)
-that was very influential to me when I was first learning to program. I still have my copy.
+that was very influential to me when I was first learning to program. I still have my copy, but
+it is now easier to find a [pdf](txt/Etudes.pdf) than a hard copy.

 ![](https://images-na.ssl-images-amazon.com/images/I/51ZnZH29dvL._SX394_BO1,204,203,200_.jpg)
+
+# Reviews of pytudes
+
+Here's what some people are saying about `pytudes`:
+- "What I find interesting is how Peter builds bottom-up solutions using low-level utilities... Reading his code is educational." - [Jeremey Howard](https://en.wikipedia.org/wiki/Jeremy_Howard_(entrepreneur)), co-founder of fast.ai and chief scientist at Kaggle
+- "Everything I see from Peter Norvig is just always so incredibly well written and coded." — [Jonathan](https://news.ycombinator.com/user?id=jypepin), [Hacker News](https://news.ycombinator.com/item?id=27379366)
+- "Peter Norvig is my go to recommendation when someone is interested in becoming better at solving day to day problems ... I feel his skill of dividing a problem into small pieces and expressing them in code in a natural way is unparalleled." — [mikevin](https://news.ycombinator.com/user?id=mikevin), [Hacker News](https://news.ycombinator.com/item?id=27379366)
+- "I've never seen Peter Norvig choose anything but the most elegant and perfect data model for the problem at hand." — [spoonjim](https://news.ycombinator.com/user?id=spoonjim), [Hacker News](https://news.ycombinator.com/item?id=27379366)
+- "I just find Norvig's style of "functional Python" lovely in its own way (with noted disregard of Pep8 and other "best practices")" —[raverbashing](https://news.ycombinator.com/user?id=raverbashing), [Hacker News](https://news.ycombinator.com/item?id=25654955)
+- "You should check out Norvig's design of computer programs [course on Udacity](https://imp.i115008.net/c/2331964/788805/11298?u=https://www.udacity.com/course/design-of-computer-programs--cs212) where he uses these kinds of puzzle programs to teach programming design concepts. It is a hard but really rewarding course. — [nafizh](https://news.ycombinator.com/user?id=nafizh), [HN ACademy](https://yahnd.com/academy/r/udacity.com/course/design-of-computer-programs--cs212/)
+- "Often enough I would think of something [a possible improvement[, but if you worked it out in detail there was some less-obvious reason the code was the way it was... All the code is pretty short, and it's not really 'production code', but it's enough to be an education in craftsmanship at every level."
+- [What code samples should programmers read?] "Anything else implemented by Norvig, he's one of the best programmers that I've had the pleasure of reading code from." - [jacquesm](https://news.ycombinator.com/user?id=jacquesm) on [Hacker News](https://news.ycombinator.com/item?id=14487724)
+- "Everything I see from Peter Norvig is just always so incredibly well written and coded. Every year looking at his solutions for advent of code [0] brings just so much learnings. Strongly recommend. - [jyepin](https://news.ycombinator.com/user?id=jypepin) [Hacker News](https://news.ycombinator.com/item?id=27379366)
+- "I feel his skill of dividing a problem into small pieces and expressing them in code in a natural way is unparalleled." - [mikevin](https://news.ycombinator.com/user?id=mikevin) [Hacker News](https://news.ycombinator.com/item?id=27379366)
--- a/data/advent2016/input1.txt
+++ b/data/advent2016/input1.txt
@@ -1 +0,0 @@
-R4, R5, L5, L5, L3, R2, R1, R1, L5, R5, R2, L1, L3, L4, R3, L1, L1, R2, R3, R3, R1, L3, L5, R3, R1, L1, R1, R2, L1, L4, L5, R4, R2, L192, R5, L2, R53, R1, L5, R73, R5, L5, R186, L3, L2, R1, R3, L3, L3, R1, L4, L2, R3, L5, R4, R3, R1, L1, R5, R2, R1, R1, R1, R3, R2, L1, R5, R1, L5, R2, L2, L4, R3, L1, R4, L5, R4, R3, L5, L3, R4, R2, L5, L5, R2, R3, R5, R4, R2, R1, L1, L5, L2, L3, L4, L5, L4, L5, L1, R3, R4, R5, R3, L5, L4, L3, L1, L4, R2, R5, R5, R4, L2, L4, R3, R1, L2, R5, L5, R1, R1, L1, L5, L5, L2, L1, R5, R2, L4, L1, R4, R3, L3, R1, R5, L1, L4, R2, L3, R5, R3, R1, L3
--- a/data/advent2016/input10.txt
+++ b/data/advent2016/input10.txt
@@ -1,231 +0,0 @@
-value 23 goes to bot 208
-bot 125 gives low to bot 58 and high to bot 57
-value 13 goes to bot 161
-bot 178 gives low to bot 88 and high to bot 172
-value 59 goes to bot 128
-bot 173 gives low to bot 83 and high to bot 202
-bot 189 gives low to bot 35 and high to bot 55
-bot 123 gives low to bot 90 and high to bot 169
-bot 148 gives low to bot 101 and high to bot 134
-bot 36 gives low to bot 78 and high to bot 105
-bot 196 gives low to bot 171 and high to bot 45
-bot 157 gives low to bot 179 and high to bot 87
-bot 124 gives low to bot 25 and high to bot 80
-bot 55 gives low to bot 99 and high to bot 201
-value 17 goes to bot 4
-bot 127 gives low to bot 118 and high to bot 142
-bot 9 gives low to bot 61 and high to bot 198
-bot 71 gives low to bot 86 and high to bot 96
-bot 86 gives low to bot 98 and high to bot 149
-bot 176 gives low to bot 89 and high to bot 171
-bot 38 gives low to bot 107 and high to bot 63
-bot 67 gives low to bot 77 and high to bot 7
-bot 131 gives low to output 6 and high to bot 151
-bot 97 gives low to bot 33 and high to bot 16
-bot 89 gives low to bot 27 and high to bot 36
-bot 29 gives low to bot 185 and high to bot 11
-bot 92 gives low to bot 189 and high to bot 122
-bot 77 gives low to output 7 and high to bot 191
-bot 14 gives low to bot 152 and high to bot 179
-bot 49 gives low to bot 76 and high to bot 64
-value 2 goes to bot 155
-bot 159 gives low to bot 182 and high to bot 49
-bot 129 gives low to bot 141 and high to bot 40
-bot 50 gives low to output 1 and high to bot 47
-bot 93 gives low to output 5 and high to bot 167
-bot 112 gives low to output 13 and high to bot 51
-bot 165 gives low to bot 163 and high to bot 123
-bot 13 gives low to bot 75 and high to bot 74
-bot 141 gives low to bot 178 and high to bot 207
-bot 37 gives low to bot 42 and high to bot 139
-value 31 goes to bot 92
-bot 44 gives low to bot 16 and high to bot 91
-bot 172 gives low to bot 84 and high to bot 27
-bot 39 gives low to bot 44 and high to bot 154
-bot 170 gives low to bot 95 and high to bot 146
-bot 98 gives low to bot 193 and high to bot 17
-bot 4 gives low to bot 26 and high to bot 109
-bot 197 gives low to bot 71 and high to bot 106
-bot 132 gives low to bot 161 and high to bot 181
-bot 54 gives low to bot 156 and high to bot 148
-bot 140 gives low to bot 0 and high to bot 25
-bot 59 gives low to output 10 and high to bot 93
-bot 206 gives low to bot 2 and high to bot 200
-bot 5 gives low to bot 201 and high to bot 173
-bot 81 gives low to bot 24 and high to bot 30
-bot 33 gives low to bot 100 and high to bot 113
-bot 73 gives low to bot 60 and high to bot 129
-bot 43 gives low to output 14 and high to bot 204
-bot 143 gives low to bot 176 and high to bot 196
-bot 182 gives low to bot 70 and high to bot 76
-bot 139 gives low to bot 117 and high to bot 180
-bot 31 gives low to bot 131 and high to bot 137
-bot 179 gives low to bot 31 and high to bot 28
-bot 74 gives low to bot 29 and high to bot 160
-bot 7 gives low to bot 191 and high to bot 21
-bot 83 gives low to bot 165 and high to bot 116
-bot 142 gives low to bot 144 and high to bot 107
-bot 187 gives low to bot 129 and high to bot 68
-value 61 goes to bot 32
-bot 32 gives low to bot 72 and high to bot 53
-bot 53 gives low to bot 121 and high to bot 199
-bot 79 gives low to bot 143 and high to bot 196
-bot 0 gives low to bot 92 and high to bot 194
-bot 8 gives low to bot 56 and high to bot 209
-value 43 goes to bot 72
-bot 95 gives low to output 18 and high to bot 112
-bot 104 gives low to bot 41 and high to bot 185
-bot 198 gives low to bot 103 and high to bot 48
-bot 17 gives low to bot 69 and high to bot 156
-bot 138 gives low to output 0 and high to bot 77
-bot 76 gives low to bot 127 and high to bot 164
-bot 110 gives low to bot 206 and high to bot 60
-bot 60 gives low to bot 200 and high to bot 141
-bot 134 gives low to bot 67 and high to bot 7
-bot 90 gives low to bot 12 and high to bot 192
-bot 208 gives low to bot 155 and high to bot 182
-bot 87 gives low to bot 28 and high to bot 195
-bot 108 gives low to bot 53 and high to bot 186
-bot 150 gives low to bot 154 and high to bot 56
-bot 204 gives low to output 17 and high to bot 58
-bot 174 gives low to bot 138 and high to bot 67
-bot 195 gives low to bot 147 and high to bot 81
-bot 24 gives low to bot 146 and high to bot 3
-bot 12 gives low to bot 119 and high to bot 9
-value 37 goes to bot 35
-bot 137 gives low to bot 151 and high to bot 170
-bot 1 gives low to output 2 and high to bot 22
-bot 63 gives low to bot 150 and high to bot 8
-bot 133 gives low to bot 140 and high to bot 124
-bot 154 gives low to bot 91 and high to bot 110
-bot 145 gives low to bot 47 and high to bot 18
-bot 109 gives low to bot 159 and high to bot 82
-bot 202 gives low to bot 116 and high to bot 37
-bot 168 gives low to bot 133 and high to bot 177
-bot 193 gives low to bot 93 and high to bot 69
-bot 191 gives low to output 16 and high to bot 21
-bot 135 gives low to bot 82 and high to bot 163
-bot 130 gives low to bot 102 and high to bot 114
-bot 26 gives low to bot 208 and high to bot 159
-bot 152 gives low to bot 22 and high to bot 31
-bot 118 gives low to bot 136 and high to bot 144
-bot 149 gives low to bot 17 and high to bot 54
-bot 64 gives low to bot 164 and high to bot 119
-bot 120 gives low to bot 64 and high to bot 12
-bot 180 gives low to bot 188 and high to bot 130
-bot 203 gives low to bot 204 and high to bot 125
-bot 3 gives low to bot 46 and high to bot 104
-bot 114 gives low to bot 205 and high to bot 79
-bot 25 gives low to bot 194 and high to bot 20
-bot 65 gives low to bot 181 and high to bot 118
-bot 169 gives low to bot 192 and high to bot 117
-bot 51 gives low to output 8 and high to bot 50
-bot 41 gives low to bot 50 and high to bot 145
-bot 20 gives low to bot 23 and high to bot 10
-bot 106 gives low to bot 96 and high to bot 126
-bot 23 gives low to bot 5 and high to bot 6
-value 11 goes to bot 43
-value 47 goes to bot 189
-value 5 goes to bot 115
-bot 46 gives low to bot 51 and high to bot 41
-bot 115 gives low to bot 43 and high to bot 203
-bot 209 gives low to bot 73 and high to bot 187
-bot 16 gives low to bot 113 and high to bot 62
-bot 101 gives low to bot 174 and high to bot 134
-bot 167 gives low to output 20 and high to bot 158
-value 3 goes to bot 133
-bot 184 gives low to bot 125 and high to bot 100
-bot 155 gives low to bot 166 and high to bot 70
-bot 88 gives low to bot 81 and high to bot 84
-value 19 goes to bot 0
-bot 171 gives low to bot 36 and high to bot 45
-bot 186 gives low to bot 199 and high to bot 97
-bot 111 gives low to bot 209 and high to bot 85
-bot 22 gives low to output 4 and high to bot 131
-bot 166 gives low to bot 132 and high to bot 65
-bot 6 gives low to bot 173 and high to bot 52
-bot 75 gives low to bot 104 and high to bot 29
-bot 91 gives low to bot 62 and high to bot 206
-bot 164 gives low to bot 142 and high to bot 38
-bot 15 gives low to bot 160 and high to bot 197
-bot 66 gives low to bot 198 and high to bot 188
-bot 199 gives low to bot 184 and high to bot 33
-bot 122 gives low to bot 55 and high to bot 5
-bot 68 gives low to bot 40 and high to bot 143
-bot 128 gives low to bot 4 and high to bot 94
-bot 27 gives low to bot 13 and high to bot 78
-bot 34 gives low to bot 195 and high to bot 88
-bot 94 gives low to bot 109 and high to bot 135
-bot 158 gives low to output 3 and high to bot 138
-bot 47 gives low to output 15 and high to bot 59
-bot 163 gives low to bot 120 and high to bot 90
-bot 48 gives low to bot 111 and high to bot 102
-bot 40 gives low to bot 207 and high to bot 176
-bot 144 gives low to bot 153 and high to bot 39
-bot 201 gives low to bot 162 and high to bot 83
-bot 72 gives low to bot 115 and high to bot 121
-bot 156 gives low to bot 19 and high to bot 101
-bot 185 gives low to bot 145 and high to bot 183
-bot 103 gives low to bot 8 and high to bot 111
-bot 192 gives low to bot 9 and high to bot 66
-value 71 goes to bot 140
-bot 205 gives low to bot 68 and high to bot 79
-bot 151 gives low to output 11 and high to bot 95
-bot 153 gives low to bot 97 and high to bot 44
-bot 105 gives low to bot 15 and high to bot 175
-bot 11 gives low to bot 183 and high to bot 86
-bot 160 gives low to bot 11 and high to bot 71
-bot 56 gives low to bot 110 and high to bot 73
-bot 207 gives low to bot 172 and high to bot 89
-bot 181 gives low to bot 108 and high to bot 136
-bot 175 gives low to bot 197 and high to bot 106
-bot 69 gives low to bot 167 and high to bot 19
-bot 58 gives low to output 9 and high to bot 1
-bot 78 gives low to bot 74 and high to bot 15
-bot 21 gives low to output 12 and high to output 19
-bot 190 gives low to bot 168 and high to bot 177
-value 29 goes to bot 190
-bot 107 gives low to bot 39 and high to bot 150
-bot 61 gives low to bot 63 and high to bot 103
-bot 52 gives low to bot 202 and high to bot 37
-value 53 goes to bot 168
-bot 30 gives low to bot 3 and high to bot 75
-bot 116 gives low to bot 123 and high to bot 42
-bot 85 gives low to bot 187 and high to bot 205
-bot 99 gives low to bot 94 and high to bot 162
-bot 126 gives low to bot 54 and high to bot 148
-bot 19 gives low to bot 158 and high to bot 174
-bot 82 gives low to bot 49 and high to bot 120
-bot 42 gives low to bot 169 and high to bot 139
-value 41 goes to bot 190
-bot 188 gives low to bot 48 and high to bot 130
-bot 113 gives low to bot 14 and high to bot 157
-bot 177 gives low to bot 124 and high to bot 80
-bot 18 gives low to bot 59 and high to bot 193
-bot 96 gives low to bot 149 and high to bot 126
-bot 62 gives low to bot 157 and high to bot 2
-bot 45 gives low to bot 105 and high to bot 175
-bot 2 gives low to bot 87 and high to bot 34
-bot 147 gives low to bot 170 and high to bot 24
-bot 70 gives low to bot 65 and high to bot 127
-bot 162 gives low to bot 135 and high to bot 165
-bot 117 gives low to bot 66 and high to bot 180
-bot 100 gives low to bot 57 and high to bot 14
-bot 57 gives low to bot 1 and high to bot 152
-bot 121 gives low to bot 203 and high to bot 184
-bot 10 gives low to bot 6 and high to bot 52
-bot 84 gives low to bot 30 and high to bot 13
-value 7 goes to bot 166
-bot 136 gives low to bot 186 and high to bot 153
-bot 161 gives low to bot 32 and high to bot 108
-bot 102 gives low to bot 85 and high to bot 114
-bot 80 gives low to bot 20 and high to bot 10
-bot 200 gives low to bot 34 and high to bot 178
-bot 119 gives low to bot 38 and high to bot 61
-bot 28 gives low to bot 137 and high to bot 147
-bot 35 gives low to bot 128 and high to bot 99
-value 67 goes to bot 132
-bot 146 gives low to bot 112 and high to bot 46
-bot 194 gives low to bot 122 and high to bot 23
-value 73 goes to bot 26
-bot 183 gives low to bot 18 and high to bot 98
--- a/data/advent2016/input12.txt
+++ b/data/advent2016/input12.txt
@@ -1,23 +0,0 @@
-cpy 1 a
-cpy 1 b
-cpy 26 d
-jnz c 2
-jnz 1 5
-cpy 7 c
-inc d
-dec c
-jnz c -2
-cpy a c
-inc a
-dec b
-jnz b -2
-cpy c b
-dec d
-jnz d -6
-cpy 14 c
-cpy 14 d
-inc a
-dec d
-jnz d -2
-dec c
-jnz c -5
--- a/data/advent2016/input2.txt
+++ b/data/advent2016/input2.txt
@@ -1,5 +0,0 @@
-LURLDDLDULRURDUDLRULRDLLRURDUDRLLRLRURDRULDLRLRRDDULUDULURULLURLURRRLLDURURLLUURDLLDUUDRRDLDLLRUUDURURRULURUURLDLLLUDDUUDRULLRUDURRLRLLDRRUDULLDUUUDLDLRLLRLULDLRLUDLRRULDDDURLUULRDLRULRDURDURUUUDDRRDRRUDULDUUULLLLURRDDUULDRDRLULRRRUUDUURDULDDRLDRDLLDDLRDLDULUDDLULUDRLULRRRRUUUDULULDLUDUUUUDURLUDRDLLDDRULUURDRRRDRLDLLURLULDULRUDRDDUDDLRLRRDUDDRULRULULRDDDDRDLLLRURDDDDRDRUDUDUUDRUDLDULRUULLRRLURRRRUUDRDLDUDDLUDRRURLRDDLUUDUDUUDRLUURURRURDRRRURULUUDUUDURUUURDDDURUDLRLLULRULRDURLLDDULLDULULDDDRUDDDUUDDUDDRRRURRUURRRRURUDRRDLRDUUULLRRRUDD
-DLDUDULDLRDLUDDLLRLUUULLDURRUDLLDUDDRDRLRDDUUUURDULDULLRDRURDLULRUURRDLULUDRURDULLDRURUULLDLLUDRLUDRUDRURURUULRDLLDDDLRUDUDLUDURLDDLRRUUURDDDRLUDDDUDDLDUDDUUUUUULLRDRRUDRUDDDLLLDRDUULRLDURLLDURUDDLLURDDLULLDDDRLUDRDDLDLDLRLURRDURRRUDRRDUUDDRLLUDLDRLRDUDLDLRDRUDUUULULUDRRULUDRDRRLLDDRDDDLULURUURULLRRRRRDDRDDRRRDLRDURURRRDDULLUULRULURURDRRUDURDDUURDUURUURUULURUUDULURRDLRRUUDRLLDLDRRRULDRLLRLDUDULRRLDUDDUUURDUDLDDDUDL
-RURDRUDUUUUULLLUULDULLLDRUULURLDULULRDDLRLLRURULLLLLLRULLURRDLULLUULRRDURRURLUDLULDLRRULRDLDULLDDRRDLLRURRDULULDRRDDULDURRRUUURUDDURULUUDURUULUDLUURRLDLRDDUUUUURULDRDUDDULULRDRUUURRRDRLURRLUUULRUDRRLUDRDLDUDDRDRRUULLLLDUUUULDULRRRLLRLRLRULDLRURRLRLDLRRDRDRLDRUDDDUUDRLLUUURLRLULURLDRRULRULUDRUUURRUDLDDRRDDURUUULLDDLLDDRUDDDUULUDRDDLULDDDDRULDDDDUUUURRLDUURULRDDRDLLLRRDDURUDRRLDUDULRULDDLDDLDUUUULDLLULUUDDULUUDLRDRUDLURDULUDDRDRDRDDURDLURLULRUURDUDULDDLDDRUULLRDRLRRUURRDDRDUDDLRRLLDRDLUUDRRDDDUUUDLRRLDDDUDRURRDDUULUDLLLRUDDRULRLLLRDLUDUUUUURLRRUDUDDDDLRLLULLUDRDURDDULULRDRDLUDDRLURRLRRULRL
-LDUURLLULRUURRDLDRUULRDRDDDRULDLURDDRURULLRUURRLRRLDRURRDRLUDRUUUULLDRLURDRLRUDDRDDDUURRDRRURULLLDRDRDLDUURLDRUULLDRDDRRDRDUUDLURUDDLLUUDDULDDULRDDUUDDDLRLLLULLDLUDRRLDUUDRUUDUDUURULDRRLRRDLRLURDRURURRDURDURRUDLRURURUUDURURUDRURULLLLLUDRUDUDULRLLLRDRLLRLRLRRDULRUUULURLRRLDRRRDRULRUDUURRRRULDDLRULDRRRDLDRLUDLLUDDRURLURURRLRUDLRLLRDLLDRDDLDUDRDLDDRULDDULUDDLLDURDULLDURRURRULLDRLUURURLLUDDRLRRUUDULRRLLRUDRDUURLDDLLURRDLRUURLLDRDLRUULUDURRDULUULDDLUUUDDLRRDRDUDLRUULDDDLDDRUDDD
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
--- a/data/advent2016/input20.txt
+++ b/data/advent2016/input20.txt
--- a/data/advent2016/input21.txt
+++ b/data/advent2016/input21.txt
@@ -1,100 +0,0 @@
-rotate right 3 steps
-swap position 7 with position 0
-rotate left 3 steps
-reverse positions 2 through 5
-move position 6 to position 3
-reverse positions 0 through 4
-swap position 4 with position 2
-rotate based on position of letter d
-rotate right 0 steps
-move position 7 to position 5
-swap position 4 with position 5
-swap position 3 with position 5
-move position 5 to position 3
-swap letter e with letter f
-swap position 6 with position 3
-swap letter a with letter e
-reverse positions 0 through 1
-reverse positions 0 through 4
-swap letter c with letter e
-reverse positions 1 through 7
-rotate right 1 step
-reverse positions 6 through 7
-move position 7 to position 1
-move position 4 to position 0
-move position 4 to position 6
-move position 6 to position 3
-swap position 1 with position 6
-swap position 5 with position 7
-swap position 2 with position 5
-swap position 6 with position 5
-swap position 2 with position 4
-reverse positions 2 through 6
-reverse positions 3 through 5
-move position 3 to position 5
-reverse positions 1 through 5
-rotate left 1 step
-move position 4 to position 5
-swap letter c with letter b
-swap position 2 with position 1
-reverse positions 3 through 4
-swap position 3 with position 4
-reverse positions 5 through 7
-swap letter b with letter d
-reverse positions 3 through 4
-swap letter c with letter h
-rotate based on position of letter b
-rotate based on position of letter e
-rotate right 3 steps
-rotate right 7 steps
-rotate left 2 steps
-move position 6 to position 1
-reverse positions 1 through 3
-rotate based on position of letter b
-reverse positions 0 through 4
-swap letter g with letter c
-move position 1 to position 5
-rotate right 4 steps
-rotate left 2 steps
-move position 7 to position 2
-rotate based on position of letter c
-move position 6 to position 1
-swap letter f with letter g
-rotate right 6 steps
-swap position 6 with position 2
-reverse positions 2 through 6
-swap position 3 with position 1
-rotate based on position of letter h
-reverse positions 2 through 5
-move position 1 to position 3
-rotate right 1 step
-rotate right 7 steps
-move position 6 to position 3
-rotate based on position of letter h
-swap letter d with letter h
-rotate left 0 steps
-move position 1 to position 2
-swap letter a with letter g
-swap letter a with letter g
-swap position 4 with position 2
-rotate right 1 step
-rotate based on position of letter b
-swap position 7 with position 1
-rotate based on position of letter e
-move position 1 to position 4
-move position 6 to position 3
-rotate left 3 steps
-swap letter f with letter g
-swap position 3 with position 1
-swap position 4 with position 3
-swap letter f with letter c
-rotate left 3 steps
-rotate left 0 steps
-rotate right 3 steps
-swap letter d with letter e
-swap position 2 with position 7
-move position 3 to position 6
-swap position 7 with position 1
-swap position 3 with position 6
-rotate left 5 steps
-swap position 2 with position 6
--- a/data/advent2016/input22.txt
+++ b/data/advent2016/input22.txt
@@ -1,914 +0,0 @@
-root@ebhq-gridcenter# df -h
-Filesystem              Size  Used  Avail  Use%
-/dev/grid/node-x0-y0     92T   70T    22T   76%
-/dev/grid/node-x0-y1     86T   65T    21T   75%
-/dev/grid/node-x0-y2     88T   73T    15T   82%
-/dev/grid/node-x0-y3     91T   67T    24T   73%
-/dev/grid/node-x0-y4     87T   70T    17T   80%
-/dev/grid/node-x0-y5     91T   70T    21T   76%
-/dev/grid/node-x0-y6     87T   71T    16T   81%
-/dev/grid/node-x0-y7     94T   69T    25T   73%
-/dev/grid/node-x0-y8     93T   69T    24T   74%
-/dev/grid/node-x0-y9     87T   71T    16T   81%
-/dev/grid/node-x0-y10    89T   66T    23T   74%
-/dev/grid/node-x0-y11    92T   64T    28T   69%
-/dev/grid/node-x0-y12    88T   66T    22T   75%
-/dev/grid/node-x0-y13    85T   72T    13T   84%
-/dev/grid/node-x0-y14    94T   68T    26T   72%
-/dev/grid/node-x0-y15    92T   67T    25T   72%
-/dev/grid/node-x0-y16    93T   65T    28T   69%
-/dev/grid/node-x0-y17    91T   67T    24T   73%
-/dev/grid/node-x0-y18    92T   68T    24T   73%
-/dev/grid/node-x0-y19    91T   69T    22T   75%
-/dev/grid/node-x0-y20    89T   65T    24T   73%
-/dev/grid/node-x0-y21    90T   72T    18T   80%
-/dev/grid/node-x0-y22    94T   67T    27T   71%
-/dev/grid/node-x0-y23    86T   72T    14T   83%
-/dev/grid/node-x1-y0     85T   66T    19T   77%
-/dev/grid/node-x1-y1     89T   64T    25T   71%
-/dev/grid/node-x1-y2     92T   67T    25T   72%
-/dev/grid/node-x1-y3     87T   70T    17T   80%
-/dev/grid/node-x1-y4     86T   71T    15T   82%
-/dev/grid/node-x1-y5     91T   68T    23T   74%
-/dev/grid/node-x1-y6     87T   71T    16T   81%
-/dev/grid/node-x1-y7     94T   69T    25T   73%
-/dev/grid/node-x1-y8     89T   70T    19T   78%
-/dev/grid/node-x1-y9     93T   64T    29T   68%
-/dev/grid/node-x1-y10    92T   67T    25T   72%
-/dev/grid/node-x1-y11    92T   72T    20T   78%
-/dev/grid/node-x1-y12    87T   65T    22T   74%
-/dev/grid/node-x1-y13    85T   73T    12T   85%
-/dev/grid/node-x1-y14    89T   70T    19T   78%
-/dev/grid/node-x1-y15    90T   67T    23T   74%
-/dev/grid/node-x1-y16    94T   71T    23T   75%
-/dev/grid/node-x1-y17    93T   68T    25T   73%
-/dev/grid/node-x1-y18    88T   72T    16T   81%
-/dev/grid/node-x1-y19    89T   66T    23T   74%
-/dev/grid/node-x1-y20    88T   70T    18T   79%
-/dev/grid/node-x1-y21    90T   67T    23T   74%
-/dev/grid/node-x1-y22    90T   64T    26T   71%
-/dev/grid/node-x1-y23    92T   69T    23T   75%
-/dev/grid/node-x2-y0     86T   67T    19T   77%
-/dev/grid/node-x2-y1     85T   71T    14T   83%
-/dev/grid/node-x2-y2     91T   69T    22T   75%
-/dev/grid/node-x2-y3     88T   68T    20T   77%
-/dev/grid/node-x2-y4     87T   73T    14T   83%
-/dev/grid/node-x2-y5     94T   64T    30T   68%
-/dev/grid/node-x2-y6     90T   66T    24T   73%
-/dev/grid/node-x2-y7     91T   66T    25T   72%
-/dev/grid/node-x2-y8     86T   64T    22T   74%
-/dev/grid/node-x2-y9     90T   69T    21T   76%
-/dev/grid/node-x2-y10    94T   65T    29T   69%
-/dev/grid/node-x2-y11    89T   69T    20T   77%
-/dev/grid/node-x2-y12    94T   64T    30T   68%
-/dev/grid/node-x2-y13    85T   70T    15T   82%
-/dev/grid/node-x2-y14    87T   69T    18T   79%
-/dev/grid/node-x2-y15    94T   70T    24T   74%
-/dev/grid/node-x2-y16    89T   72T    17T   80%
-/dev/grid/node-x2-y17    94T   65T    29T   69%
-/dev/grid/node-x2-y18    85T   70T    15T   82%
-/dev/grid/node-x2-y19    86T   64T    22T   74%
-/dev/grid/node-x2-y20    91T   69T    22T   75%
-/dev/grid/node-x2-y21    92T   66T    26T   71%
-/dev/grid/node-x2-y22    92T   66T    26T   71%
-/dev/grid/node-x2-y23    94T   70T    24T   74%
-/dev/grid/node-x3-y0     91T   65T    26T   71%
-/dev/grid/node-x3-y1     91T   73T    18T   80%
-/dev/grid/node-x3-y2     93T   67T    26T   72%
-/dev/grid/node-x3-y3     91T   66T    25T   72%
-/dev/grid/node-x3-y4     85T   69T    16T   81%
-/dev/grid/node-x3-y5     94T   69T    25T   73%
-/dev/grid/node-x3-y6     94T   70T    24T   74%
-/dev/grid/node-x3-y7     92T   72T    20T   78%
-/dev/grid/node-x3-y8     94T   73T    21T   77%
-/dev/grid/node-x3-y9     86T   73T    13T   84%
-/dev/grid/node-x3-y10    86T   68T    18T   79%
-/dev/grid/node-x3-y11    87T   65T    22T   74%
-/dev/grid/node-x3-y12    91T   70T    21T   76%
-/dev/grid/node-x3-y13    93T   66T    27T   70%
-/dev/grid/node-x3-y14    92T   71T    21T   77%
-/dev/grid/node-x3-y15    90T   71T    19T   78%
-/dev/grid/node-x3-y16    90T   70T    20T   77%
-/dev/grid/node-x3-y17    94T   66T    28T   70%
-/dev/grid/node-x3-y18    90T   69T    21T   76%
-/dev/grid/node-x3-y19    89T   65T    24T   73%
-/dev/grid/node-x3-y20    90T   72T    18T   80%
-/dev/grid/node-x3-y21    94T   72T    22T   76%
-/dev/grid/node-x3-y22    89T   73T    16T   82%
-/dev/grid/node-x3-y23    85T   69T    16T   81%
-/dev/grid/node-x4-y0     94T   68T    26T   72%
-/dev/grid/node-x4-y1     90T   66T    24T   73%
-/dev/grid/node-x4-y2     89T   70T    19T   78%
-/dev/grid/node-x4-y3     89T   64T    25T   71%
-/dev/grid/node-x4-y4     89T   69T    20T   77%
-/dev/grid/node-x4-y5     85T   64T    21T   75%
-/dev/grid/node-x4-y6     90T   72T    18T   80%
-/dev/grid/node-x4-y7     90T   69T    21T   76%
-/dev/grid/node-x4-y8     89T   70T    19T   78%
-/dev/grid/node-x4-y9     92T   70T    22T   76%
-/dev/grid/node-x4-y10    90T   66T    24T   73%
-/dev/grid/node-x4-y11    85T   71T    14T   83%
-/dev/grid/node-x4-y12    89T   65T    24T   73%
-/dev/grid/node-x4-y13    86T   72T    14T   83%
-/dev/grid/node-x4-y14    91T   72T    19T   79%
-/dev/grid/node-x4-y15    89T   71T    18T   79%
-/dev/grid/node-x4-y16    86T   73T    13T   84%
-/dev/grid/node-x4-y17    91T   65T    26T   71%
-/dev/grid/node-x4-y18    87T   67T    20T   77%
-/dev/grid/node-x4-y19    94T   66T    28T   70%
-/dev/grid/node-x4-y20    89T   73T    16T   82%
-/dev/grid/node-x4-y21    85T   73T    12T   85%
-/dev/grid/node-x4-y22    87T   67T    20T   77%
-/dev/grid/node-x4-y23    91T   66T    25T   72%
-/dev/grid/node-x5-y0     90T   71T    19T   78%
-/dev/grid/node-x5-y1     87T   71T    16T   81%
-/dev/grid/node-x5-y2     87T   69T    18T   79%
-/dev/grid/node-x5-y3     85T   64T    21T   75%
-/dev/grid/node-x5-y4     89T   72T    17T   80%
-/dev/grid/node-x5-y5     88T   65T    23T   73%
-/dev/grid/node-x5-y6     91T   66T    25T   72%
-/dev/grid/node-x5-y7     89T   65T    24T   73%
-/dev/grid/node-x5-y8     86T   68T    18T   79%
-/dev/grid/node-x5-y9     93T   68T    25T   73%
-/dev/grid/node-x5-y10    87T   70T    17T   80%
-/dev/grid/node-x5-y11    93T   72T    21T   77%
-/dev/grid/node-x5-y12    94T   67T    27T   71%
-/dev/grid/node-x5-y13    94T   68T    26T   72%
-/dev/grid/node-x5-y14    92T   72T    20T   78%
-/dev/grid/node-x5-y15    85T   67T    18T   78%
-/dev/grid/node-x5-y16    87T   73T    14T   83%
-/dev/grid/node-x5-y17    85T   69T    16T   81%
-/dev/grid/node-x5-y18    89T   65T    24T   73%
-/dev/grid/node-x5-y19    86T   65T    21T   75%
-/dev/grid/node-x5-y20    85T   70T    15T   82%
-/dev/grid/node-x5-y21    86T   73T    13T   84%
-/dev/grid/node-x5-y22    85T   67T    18T   78%
-/dev/grid/node-x5-y23    93T   64T    29T   68%
-/dev/grid/node-x6-y0     90T   72T    18T   80%
-/dev/grid/node-x6-y1     93T   65T    28T   69%
-/dev/grid/node-x6-y2     85T   64T    21T   75%
-/dev/grid/node-x6-y3     88T   64T    24T   72%
-/dev/grid/node-x6-y4     89T   64T    25T   71%
-/dev/grid/node-x6-y5     86T   72T    14T   83%
-/dev/grid/node-x6-y6     88T   72T    16T   81%
-/dev/grid/node-x6-y7     93T   66T    27T   70%
-/dev/grid/node-x6-y8     90T   65T    25T   72%
-/dev/grid/node-x6-y9     93T   69T    24T   74%
-/dev/grid/node-x6-y10    88T   70T    18T   79%
-/dev/grid/node-x6-y11    85T   73T    12T   85%
-/dev/grid/node-x6-y12    92T   73T    19T   79%
-/dev/grid/node-x6-y13    93T   70T    23T   75%
-/dev/grid/node-x6-y14    85T   69T    16T   81%
-/dev/grid/node-x6-y15    86T   67T    19T   77%
-/dev/grid/node-x6-y16    91T   65T    26T   71%
-/dev/grid/node-x6-y17    91T   66T    25T   72%
-/dev/grid/node-x6-y18    91T   65T    26T   71%
-/dev/grid/node-x6-y19    92T   66T    26T   71%
-/dev/grid/node-x6-y20    90T   64T    26T   71%
-/dev/grid/node-x6-y21    86T   70T    16T   81%
-/dev/grid/node-x6-y22    94T   71T    23T   75%
-/dev/grid/node-x6-y23    90T   69T    21T   76%
-/dev/grid/node-x7-y0     91T   71T    20T   78%
-/dev/grid/node-x7-y1     94T   71T    23T   75%
-/dev/grid/node-x7-y2     88T   64T    24T   72%
-/dev/grid/node-x7-y3     93T   73T    20T   78%
-/dev/grid/node-x7-y4     86T   68T    18T   79%
-/dev/grid/node-x7-y5     88T   73T    15T   82%
-/dev/grid/node-x7-y6     92T   66T    26T   71%
-/dev/grid/node-x7-y7     90T   64T    26T   71%
-/dev/grid/node-x7-y8     88T   64T    24T   72%
-/dev/grid/node-x7-y9     88T   70T    18T   79%
-/dev/grid/node-x7-y10    93T   67T    26T   72%
-/dev/grid/node-x7-y11    88T   71T    17T   80%
-/dev/grid/node-x7-y12    89T   71T    18T   79%
-/dev/grid/node-x7-y13    85T   65T    20T   76%
-/dev/grid/node-x7-y14    85T   70T    15T   82%
-/dev/grid/node-x7-y15    87T   72T    15T   82%
-/dev/grid/node-x7-y16    85T   64T    21T   75%
-/dev/grid/node-x7-y17    85T   64T    21T   75%
-/dev/grid/node-x7-y18    88T   64T    24T   72%
-/dev/grid/node-x7-y19    90T   67T    23T   74%
-/dev/grid/node-x7-y20    94T   66T    28T   70%
-/dev/grid/node-x7-y21    87T   67T    20T   77%
-/dev/grid/node-x7-y22    88T   69T    19T   78%
-/dev/grid/node-x7-y23    93T   69T    24T   74%
-/dev/grid/node-x8-y0     85T   72T    13T   84%
-/dev/grid/node-x8-y1     91T   72T    19T   79%
-/dev/grid/node-x8-y2     86T   65T    21T   75%
-/dev/grid/node-x8-y3     85T   69T    16T   81%
-/dev/grid/node-x8-y4     93T   65T    28T   69%
-/dev/grid/node-x8-y5     87T   72T    15T   82%
-/dev/grid/node-x8-y6     93T   68T    25T   73%
-/dev/grid/node-x8-y7     89T   73T    16T   82%
-/dev/grid/node-x8-y8     85T   65T    20T   76%
-/dev/grid/node-x8-y9     85T   73T    12T   85%
-/dev/grid/node-x8-y10    89T   71T    18T   79%
-/dev/grid/node-x8-y11    90T   68T    22T   75%
-/dev/grid/node-x8-y12    85T   65T    20T   76%
-/dev/grid/node-x8-y13    89T   71T    18T   79%
-/dev/grid/node-x8-y14    92T   71T    21T   77%
-/dev/grid/node-x8-y15    85T   73T    12T   85%
-/dev/grid/node-x8-y16    87T   73T    14T   83%
-/dev/grid/node-x8-y17    92T   66T    26T   71%
-/dev/grid/node-x8-y18    87T   69T    18T   79%
-/dev/grid/node-x8-y19    88T   64T    24T   72%
-/dev/grid/node-x8-y20    88T   68T    20T   77%
-/dev/grid/node-x8-y21    92T   66T    26T   71%
-/dev/grid/node-x8-y22    85T   68T    17T   80%
-/dev/grid/node-x8-y23    91T   66T    25T   72%
-/dev/grid/node-x9-y0     90T   69T    21T   76%
-/dev/grid/node-x9-y1     86T   73T    13T   84%
-/dev/grid/node-x9-y2     92T   72T    20T   78%
-/dev/grid/node-x9-y3     87T   68T    19T   78%
-/dev/grid/node-x9-y4     90T   66T    24T   73%
-/dev/grid/node-x9-y5     91T   64T    27T   70%
-/dev/grid/node-x9-y6     91T   68T    23T   74%
-/dev/grid/node-x9-y7     88T   66T    22T   75%
-/dev/grid/node-x9-y8     85T   72T    13T   84%
-/dev/grid/node-x9-y9     87T   68T    19T   78%
-/dev/grid/node-x9-y10    89T   72T    17T   80%
-/dev/grid/node-x9-y11    85T   66T    19T   77%
-/dev/grid/node-x9-y12    87T   73T    14T   83%
-/dev/grid/node-x9-y13    87T   66T    21T   75%
-/dev/grid/node-x9-y14    92T   67T    25T   72%
-/dev/grid/node-x9-y15    90T   67T    23T   74%
-/dev/grid/node-x9-y16    85T   67T    18T   78%
-/dev/grid/node-x9-y17    86T   70T    16T   81%
-/dev/grid/node-x9-y18    86T   73T    13T   84%
-/dev/grid/node-x9-y19    91T   72T    19T   79%
-/dev/grid/node-x9-y20    93T   69T    24T   74%
-/dev/grid/node-x9-y21    92T   72T    20T   78%
-/dev/grid/node-x9-y22    88T   67T    21T   76%
-/dev/grid/node-x9-y23    91T   64T    27T   70%
-/dev/grid/node-x10-y0    89T   65T    24T   73%
-/dev/grid/node-x10-y1    85T   70T    15T   82%
-/dev/grid/node-x10-y2    87T   65T    22T   74%
-/dev/grid/node-x10-y3    86T   73T    13T   84%
-/dev/grid/node-x10-y4    85T   73T    12T   85%
-/dev/grid/node-x10-y5    94T   65T    29T   69%
-/dev/grid/node-x10-y6    91T   71T    20T   78%
-/dev/grid/node-x10-y7    92T   65T    27T   70%
-/dev/grid/node-x10-y8    92T   70T    22T   76%
-/dev/grid/node-x10-y9    93T   66T    27T   70%
-/dev/grid/node-x10-y10   86T   70T    16T   81%
-/dev/grid/node-x10-y11   86T   73T    13T   84%
-/dev/grid/node-x10-y12   93T   71T    22T   76%
-/dev/grid/node-x10-y13   87T   72T    15T   82%
-/dev/grid/node-x10-y14   93T   70T    23T   75%
-/dev/grid/node-x10-y15   92T   66T    26T   71%
-/dev/grid/node-x10-y16   85T   66T    19T   77%
-/dev/grid/node-x10-y17   94T   71T    23T   75%
-/dev/grid/node-x10-y18   88T   72T    16T   81%
-/dev/grid/node-x10-y19   86T   71T    15T   82%
-/dev/grid/node-x10-y20   90T   64T    26T   71%
-/dev/grid/node-x10-y21   93T   72T    21T   77%
-/dev/grid/node-x10-y22   86T   66T    20T   76%
-/dev/grid/node-x10-y23   91T   73T    18T   80%
-/dev/grid/node-x11-y0    91T   69T    22T   75%
-/dev/grid/node-x11-y1    87T   68T    19T   78%
-/dev/grid/node-x11-y2    93T   70T    23T   75%
-/dev/grid/node-x11-y3    88T   65T    23T   73%
-/dev/grid/node-x11-y4    86T   67T    19T   77%
-/dev/grid/node-x11-y5    90T   67T    23T   74%
-/dev/grid/node-x11-y6    94T   70T    24T   74%
-/dev/grid/node-x11-y7    85T   68T    17T   80%
-/dev/grid/node-x11-y8    88T   66T    22T   75%
-/dev/grid/node-x11-y9    92T   67T    25T   72%
-/dev/grid/node-x11-y10   90T   72T    18T   80%
-/dev/grid/node-x11-y11   85T   73T    12T   85%
-/dev/grid/node-x11-y12   88T   73T    15T   82%
-/dev/grid/node-x11-y13   90T   69T    21T   76%
-/dev/grid/node-x11-y14   86T   68T    18T   79%
-/dev/grid/node-x11-y15   87T   71T    16T   81%
-/dev/grid/node-x11-y16   91T   64T    27T   70%
-/dev/grid/node-x11-y17   87T   67T    20T   77%
-/dev/grid/node-x11-y18   88T   70T    18T   79%
-/dev/grid/node-x11-y19   88T   71T    17T   80%
-/dev/grid/node-x11-y20   91T   68T    23T   74%
-/dev/grid/node-x11-y21   86T   71T    15T   82%
-/dev/grid/node-x11-y22   87T   69T    18T   79%
-/dev/grid/node-x11-y23   93T   68T    25T   73%
-/dev/grid/node-x12-y0    90T   67T    23T   74%
-/dev/grid/node-x12-y1    93T   66T    27T   70%
-/dev/grid/node-x12-y2    85T   70T    15T   82%
-/dev/grid/node-x12-y3    91T   64T    27T   70%
-/dev/grid/node-x12-y4    85T   69T    16T   81%
-/dev/grid/node-x12-y5    87T   66T    21T   75%
-/dev/grid/node-x12-y6    86T   67T    19T   77%
-/dev/grid/node-x12-y7    87T   66T    21T   75%
-/dev/grid/node-x12-y8    86T   65T    21T   75%
-/dev/grid/node-x12-y9    92T   66T    26T   71%
-/dev/grid/node-x12-y10   90T   68T    22T   75%
-/dev/grid/node-x12-y11   94T   72T    22T   76%
-/dev/grid/node-x12-y12   88T   66T    22T   75%
-/dev/grid/node-x12-y13   91T   71T    20T   78%
-/dev/grid/node-x12-y14   88T   68T    20T   77%
-/dev/grid/node-x12-y15   94T   68T    26T   72%
-/dev/grid/node-x12-y16   85T   70T    15T   82%
-/dev/grid/node-x12-y17   93T   72T    21T   77%
-/dev/grid/node-x12-y18   94T   64T    30T   68%
-/dev/grid/node-x12-y19   88T   65T    23T   73%
-/dev/grid/node-x12-y20   89T   67T    22T   75%
-/dev/grid/node-x12-y21   89T   65T    24T   73%
-/dev/grid/node-x12-y22   85T   65T    20T   76%
-/dev/grid/node-x12-y23   88T   65T    23T   73%
-/dev/grid/node-x13-y0    90T   72T    18T   80%
-/dev/grid/node-x13-y1    88T   65T    23T   73%
-/dev/grid/node-x13-y2    89T   71T    18T   79%
-/dev/grid/node-x13-y3    90T   66T    24T   73%
-/dev/grid/node-x13-y4    94T   65T    29T   69%
-/dev/grid/node-x13-y5    88T   65T    23T   73%
-/dev/grid/node-x13-y6    86T   72T    14T   83%
-/dev/grid/node-x13-y7    85T   72T    13T   84%
-/dev/grid/node-x13-y8    90T   71T    19T   78%
-/dev/grid/node-x13-y9    89T   67T    22T   75%
-/dev/grid/node-x13-y10   88T   67T    21T   76%
-/dev/grid/node-x13-y11   87T   70T    17T   80%
-/dev/grid/node-x13-y12   90T   68T    22T   75%
-/dev/grid/node-x13-y13   92T   67T    25T   72%
-/dev/grid/node-x13-y14   89T   65T    24T   73%
-/dev/grid/node-x13-y15   87T   70T    17T   80%
-/dev/grid/node-x13-y16   93T   65T    28T   69%
-/dev/grid/node-x13-y17   88T   64T    24T   72%
-/dev/grid/node-x13-y18   86T   67T    19T   77%
-/dev/grid/node-x13-y19   90T   70T    20T   77%
-/dev/grid/node-x13-y20   92T   67T    25T   72%
-/dev/grid/node-x13-y21   90T   71T    19T   78%
-/dev/grid/node-x13-y22   86T   71T    15T   82%
-/dev/grid/node-x13-y23   87T   69T    18T   79%
-/dev/grid/node-x14-y0    94T   64T    30T   68%
-/dev/grid/node-x14-y1    88T   68T    20T   77%
-/dev/grid/node-x14-y2    91T   70T    21T   76%
-/dev/grid/node-x14-y3    87T   69T    18T   79%
-/dev/grid/node-x14-y4    92T   65T    27T   70%
-/dev/grid/node-x14-y5    90T   67T    23T   74%
-/dev/grid/node-x14-y6    89T   65T    24T   73%
-/dev/grid/node-x14-y7    92T   73T    19T   79%
-/dev/grid/node-x14-y8    86T   66T    20T   76%
-/dev/grid/node-x14-y9    93T   68T    25T   73%
-/dev/grid/node-x14-y10   88T   70T    18T   79%
-/dev/grid/node-x14-y11   93T   67T    26T   72%
-/dev/grid/node-x14-y12   85T   70T    15T   82%
-/dev/grid/node-x14-y13   88T   64T    24T   72%
-/dev/grid/node-x14-y14   88T   70T    18T   79%
-/dev/grid/node-x14-y15   90T   70T    20T   77%
-/dev/grid/node-x14-y16   91T   65T    26T   71%
-/dev/grid/node-x14-y17   89T   64T    25T   71%
-/dev/grid/node-x14-y18   85T   73T    12T   85%
-/dev/grid/node-x14-y19   94T   64T    30T   68%
-/dev/grid/node-x14-y20   89T   73T    16T   82%
-/dev/grid/node-x14-y21   91T   73T    18T   80%
-/dev/grid/node-x14-y22   94T   72T    22T   76%
-/dev/grid/node-x14-y23   90T   68T    22T   75%
-/dev/grid/node-x15-y0    91T   71T    20T   78%
-/dev/grid/node-x15-y1    90T   68T    22T   75%
-/dev/grid/node-x15-y2    90T   65T    25T   72%
-/dev/grid/node-x15-y3    90T   68T    22T   75%
-/dev/grid/node-x15-y4    90T   73T    17T   81%
-/dev/grid/node-x15-y5    88T   73T    15T   82%
-/dev/grid/node-x15-y6    88T   66T    22T   75%
-/dev/grid/node-x15-y7    94T   69T    25T   73%
-/dev/grid/node-x15-y8    94T   64T    30T   68%
-/dev/grid/node-x15-y9    93T   65T    28T   69%
-/dev/grid/node-x15-y10   94T   72T    22T   76%
-/dev/grid/node-x15-y11   85T   71T    14T   83%
-/dev/grid/node-x15-y12   93T   67T    26T   72%
-/dev/grid/node-x15-y13   85T   69T    16T   81%
-/dev/grid/node-x15-y14   85T   64T    21T   75%
-/dev/grid/node-x15-y15   88T   65T    23T   73%
-/dev/grid/node-x15-y16   93T   69T    24T   74%
-/dev/grid/node-x15-y17   85T   64T    21T   75%
-/dev/grid/node-x15-y18   89T   72T    17T   80%
-/dev/grid/node-x15-y19   89T   66T    23T   74%
-/dev/grid/node-x15-y20   91T   66T    25T   72%
-/dev/grid/node-x15-y21   90T   71T    19T   78%
-/dev/grid/node-x15-y22   94T   66T    28T   70%
-/dev/grid/node-x15-y23   91T   69T    22T   75%
-/dev/grid/node-x16-y0    94T   64T    30T   68%
-/dev/grid/node-x16-y1    89T   73T    16T   82%
-/dev/grid/node-x16-y2    91T   69T    22T   75%
-/dev/grid/node-x16-y3    94T   71T    23T   75%
-/dev/grid/node-x16-y4    88T   70T    18T   79%
-/dev/grid/node-x16-y5    92T   69T    23T   75%
-/dev/grid/node-x16-y6    93T   67T    26T   72%
-/dev/grid/node-x16-y7    90T   65T    25T   72%
-/dev/grid/node-x16-y8    86T   69T    17T   80%
-/dev/grid/node-x16-y9    87T   71T    16T   81%
-/dev/grid/node-x16-y10   86T   65T    21T   75%
-/dev/grid/node-x16-y11   86T   65T    21T   75%
-/dev/grid/node-x16-y12   85T   73T    12T   85%
-/dev/grid/node-x16-y13   88T   68T    20T   77%
-/dev/grid/node-x16-y14   88T   66T    22T   75%
-/dev/grid/node-x16-y15   93T   66T    27T   70%
-/dev/grid/node-x16-y16   93T   64T    29T   68%
-/dev/grid/node-x16-y17   89T   72T    17T   80%
-/dev/grid/node-x16-y18   91T   65T    26T   71%
-/dev/grid/node-x16-y19   93T   67T    26T   72%
-/dev/grid/node-x16-y20   90T   69T    21T   76%
-/dev/grid/node-x16-y21   87T   68T    19T   78%
-/dev/grid/node-x16-y22   89T   71T    18T   79%
-/dev/grid/node-x16-y23   91T   67T    24T   73%
-/dev/grid/node-x17-y0    87T   64T    23T   73%
-/dev/grid/node-x17-y1    85T   69T    16T   81%
-/dev/grid/node-x17-y2    94T   72T    22T   76%
-/dev/grid/node-x17-y3    87T   67T    20T   77%
-/dev/grid/node-x17-y4    88T   69T    19T   78%
-/dev/grid/node-x17-y5    87T   71T    16T   81%
-/dev/grid/node-x17-y6    87T   70T    17T   80%
-/dev/grid/node-x17-y7    86T   73T    13T   84%
-/dev/grid/node-x17-y8    92T   64T    28T   69%
-/dev/grid/node-x17-y9    85T   64T    21T   75%
-/dev/grid/node-x17-y10   89T   65T    24T   73%
-/dev/grid/node-x17-y11   93T   69T    24T   74%
-/dev/grid/node-x17-y12   85T   67T    18T   78%
-/dev/grid/node-x17-y13   94T   66T    28T   70%
-/dev/grid/node-x17-y14   87T   70T    17T   80%
-/dev/grid/node-x17-y15   88T   73T    15T   82%
-/dev/grid/node-x17-y16   90T   68T    22T   75%
-/dev/grid/node-x17-y17   86T   71T    15T   82%
-/dev/grid/node-x17-y18   91T   72T    19T   79%
-/dev/grid/node-x17-y19   92T   71T    21T   77%
-/dev/grid/node-x17-y20   92T   68T    24T   73%
-/dev/grid/node-x17-y21   89T   67T    22T   75%
-/dev/grid/node-x17-y22   89T   67T    22T   75%
-/dev/grid/node-x17-y23   93T   65T    28T   69%
-/dev/grid/node-x18-y0    87T   70T    17T   80%
-/dev/grid/node-x18-y1    85T   65T    20T   76%
-/dev/grid/node-x18-y2    93T   67T    26T   72%
-/dev/grid/node-x18-y3    92T   65T    27T   70%
-/dev/grid/node-x18-y4    87T   72T    15T   82%
-/dev/grid/node-x18-y5    94T   65T    29T   69%
-/dev/grid/node-x18-y6    92T   67T    25T   72%
-/dev/grid/node-x18-y7    90T   65T    25T   72%
-/dev/grid/node-x18-y8    88T   65T    23T   73%
-/dev/grid/node-x18-y9    87T   70T    17T   80%
-/dev/grid/node-x18-y10   88T   64T    24T   72%
-/dev/grid/node-x18-y11   87T   65T    22T   74%
-/dev/grid/node-x18-y12   88T   66T    22T   75%
-/dev/grid/node-x18-y13   93T   72T    21T   77%
-/dev/grid/node-x18-y14   90T   65T    25T   72%
-/dev/grid/node-x18-y15   89T   66T    23T   74%
-/dev/grid/node-x18-y16   86T   65T    21T   75%
-/dev/grid/node-x18-y17   85T   66T    19T   77%
-/dev/grid/node-x18-y18   91T   69T    22T   75%
-/dev/grid/node-x18-y19   88T   64T    24T   72%
-/dev/grid/node-x18-y20   87T   66T    21T   75%
-/dev/grid/node-x18-y21   87T   69T    18T   79%
-/dev/grid/node-x18-y22   89T   69T    20T   77%
-/dev/grid/node-x18-y23   87T   71T    16T   81%
-/dev/grid/node-x19-y0    89T   72T    17T   80%
-/dev/grid/node-x19-y1    91T   70T    21T   76%
-/dev/grid/node-x19-y2    87T   64T    23T   73%
-/dev/grid/node-x19-y3    88T   70T    18T   79%
-/dev/grid/node-x19-y4    91T   64T    27T   70%
-/dev/grid/node-x19-y5    90T   64T    26T   71%
-/dev/grid/node-x19-y6    91T   65T    26T   71%
-/dev/grid/node-x19-y7    89T   73T    16T   82%
-/dev/grid/node-x19-y8    87T   65T    22T   74%
-/dev/grid/node-x19-y9    90T   66T    24T   73%
-/dev/grid/node-x19-y10   93T   68T    25T   73%
-/dev/grid/node-x19-y11   87T   69T    18T   79%
-/dev/grid/node-x19-y12   92T   66T    26T   71%
-/dev/grid/node-x19-y13   94T   71T    23T   75%
-/dev/grid/node-x19-y14   86T   64T    22T   74%
-/dev/grid/node-x19-y15   89T   68T    21T   76%
-/dev/grid/node-x19-y16   94T   69T    25T   73%
-/dev/grid/node-x19-y17   85T   72T    13T   84%
-/dev/grid/node-x19-y18   93T   70T    23T   75%
-/dev/grid/node-x19-y19   85T   67T    18T   78%
-/dev/grid/node-x19-y20   92T   64T    28T   69%
-/dev/grid/node-x19-y21   93T   68T    25T   73%
-/dev/grid/node-x19-y22   94T   66T    28T   70%
-/dev/grid/node-x19-y23   87T   70T    17T   80%
-/dev/grid/node-x20-y0    91T   65T    26T   71%
-/dev/grid/node-x20-y1    85T   72T    13T   84%
-/dev/grid/node-x20-y2    94T   64T    30T   68%
-/dev/grid/node-x20-y3    89T   65T    24T   73%
-/dev/grid/node-x20-y4    88T   69T    19T   78%
-/dev/grid/node-x20-y5    94T   71T    23T   75%
-/dev/grid/node-x20-y6    87T   69T    18T   79%
-/dev/grid/node-x20-y7    94T   67T    27T   71%
-/dev/grid/node-x20-y8    89T   65T    24T   73%
-/dev/grid/node-x20-y9    88T   65T    23T   73%
-/dev/grid/node-x20-y10   94T   73T    21T   77%
-/dev/grid/node-x20-y11   87T   66T    21T   75%
-/dev/grid/node-x20-y12   92T   66T    26T   71%
-/dev/grid/node-x20-y13   86T   71T    15T   82%
-/dev/grid/node-x20-y14   93T   64T    29T   68%
-/dev/grid/node-x20-y15   91T   65T    26T   71%
-/dev/grid/node-x20-y16   89T   65T    24T   73%
-/dev/grid/node-x20-y17   90T   68T    22T   75%
-/dev/grid/node-x20-y18   90T   73T    17T   81%
-/dev/grid/node-x20-y19   85T   73T    12T   85%
-/dev/grid/node-x20-y20   85T   67T    18T   78%
-/dev/grid/node-x20-y21   94T   65T    29T   69%
-/dev/grid/node-x20-y22   86T   69T    17T   80%
-/dev/grid/node-x20-y23   93T   73T    20T   78%
-/dev/grid/node-x21-y0    92T   73T    19T   79%
-/dev/grid/node-x21-y1    94T   72T    22T   76%
-/dev/grid/node-x21-y2    92T   69T    23T   75%
-/dev/grid/node-x21-y3    86T   68T    18T   79%
-/dev/grid/node-x21-y4    87T   69T    18T   79%
-/dev/grid/node-x21-y5    87T   67T    20T   77%
-/dev/grid/node-x21-y6    87T   70T    17T   80%
-/dev/grid/node-x21-y7    87T   73T    14T   83%
-/dev/grid/node-x21-y8    91T   71T    20T   78%
-/dev/grid/node-x21-y9    85T   68T    17T   80%
-/dev/grid/node-x21-y10   85T   70T    15T   82%
-/dev/grid/node-x21-y11   86T   66T    20T   76%
-/dev/grid/node-x21-y12   90T   64T    26T   71%
-/dev/grid/node-x21-y13   87T   69T    18T   79%
-/dev/grid/node-x21-y14   92T   64T    28T   69%
-/dev/grid/node-x21-y15   88T   65T    23T   73%
-/dev/grid/node-x21-y16   93T   70T    23T   75%
-/dev/grid/node-x21-y17   87T   71T    16T   81%
-/dev/grid/node-x21-y18   91T   65T    26T   71%
-/dev/grid/node-x21-y19   85T   68T    17T   80%
-/dev/grid/node-x21-y20   87T   66T    21T   75%
-/dev/grid/node-x21-y21   94T   72T    22T   76%
-/dev/grid/node-x21-y22   92T   67T    25T   72%
-/dev/grid/node-x21-y23   88T   68T    20T   77%
-/dev/grid/node-x22-y0    88T   69T    19T   78%
-/dev/grid/node-x22-y1    88T   70T    18T   79%
-/dev/grid/node-x22-y2    85T   67T    18T   78%
-/dev/grid/node-x22-y3    86T   67T    19T   77%
-/dev/grid/node-x22-y4    93T   70T    23T   75%
-/dev/grid/node-x22-y5    89T   71T    18T   79%
-/dev/grid/node-x22-y6    90T   73T    17T   81%
-/dev/grid/node-x22-y7    87T   70T    17T   80%
-/dev/grid/node-x22-y8    85T   68T    17T   80%
-/dev/grid/node-x22-y9    87T   64T    23T   73%
-/dev/grid/node-x22-y10   85T   72T    13T   84%
-/dev/grid/node-x22-y11   88T   66T    22T   75%
-/dev/grid/node-x22-y12   87T   72T    15T   82%
-/dev/grid/node-x22-y13   88T   72T    16T   81%
-/dev/grid/node-x22-y14   91T   69T    22T   75%
-/dev/grid/node-x22-y15   90T   73T    17T   81%
-/dev/grid/node-x22-y16   91T   69T    22T   75%
-/dev/grid/node-x22-y17   92T   66T    26T   71%
-/dev/grid/node-x22-y18   94T   70T    24T   74%
-/dev/grid/node-x22-y19   86T   67T    19T   77%
-/dev/grid/node-x22-y20   92T   70T    22T   76%
-/dev/grid/node-x22-y21   89T   71T    18T   79%
-/dev/grid/node-x22-y22   92T   69T    23T   75%
-/dev/grid/node-x22-y23   87T   70T    17T   80%
-/dev/grid/node-x23-y0    88T   69T    19T   78%
-/dev/grid/node-x23-y1    86T   72T    14T   83%
-/dev/grid/node-x23-y2    89T   64T    25T   71%
-/dev/grid/node-x23-y3    91T   68T    23T   74%
-/dev/grid/node-x23-y4    87T   71T    16T   81%
-/dev/grid/node-x23-y5    85T   71T    14T   83%
-/dev/grid/node-x23-y6    92T   68T    24T   73%
-/dev/grid/node-x23-y7    85T   71T    14T   83%
-/dev/grid/node-x23-y8    91T   64T    27T   70%
-/dev/grid/node-x23-y9    85T   70T    15T   82%
-/dev/grid/node-x23-y10   93T   72T    21T   77%
-/dev/grid/node-x23-y11   87T   72T    15T   82%
-/dev/grid/node-x23-y12   90T   72T    18T   80%
-/dev/grid/node-x23-y13   89T   64T    25T   71%
-/dev/grid/node-x23-y14   87T   67T    20T   77%
-/dev/grid/node-x23-y15   87T   70T    17T   80%
-/dev/grid/node-x23-y16   94T   68T    26T   72%
-/dev/grid/node-x23-y17   88T   68T    20T   77%
-/dev/grid/node-x23-y18   87T   65T    22T   74%
-/dev/grid/node-x23-y19   90T   71T    19T   78%
-/dev/grid/node-x23-y20   93T   71T    22T   76%
-/dev/grid/node-x23-y21   92T   64T    28T   69%
-/dev/grid/node-x23-y22   89T   66T    23T   74%
-/dev/grid/node-x23-y23   90T   73T    17T   81%
-/dev/grid/node-x24-y0    93T   70T    23T   75%
-/dev/grid/node-x24-y1    91T   71T    20T   78%
-/dev/grid/node-x24-y2    93T   68T    25T   73%
-/dev/grid/node-x24-y3    88T   72T    16T   81%
-/dev/grid/node-x24-y4    92T   64T    28T   69%
-/dev/grid/node-x24-y5    87T   64T    23T   73%
-/dev/grid/node-x24-y6    91T   70T    21T   76%
-/dev/grid/node-x24-y7    93T   72T    21T   77%
-/dev/grid/node-x24-y8    94T   73T    21T   77%
-/dev/grid/node-x24-y9    88T   72T    16T   81%
-/dev/grid/node-x24-y10   89T   67T    22T   75%
-/dev/grid/node-x24-y11   89T   68T    21T   76%
-/dev/grid/node-x24-y12   89T   66T    23T   74%
-/dev/grid/node-x24-y13   93T   67T    26T   72%
-/dev/grid/node-x24-y14   92T   69T    23T   75%
-/dev/grid/node-x24-y15   85T   72T    13T   84%
-/dev/grid/node-x24-y16   85T   64T    21T   75%
-/dev/grid/node-x24-y17   94T   69T    25T   73%
-/dev/grid/node-x24-y18   93T   67T    26T   72%
-/dev/grid/node-x24-y19   89T   67T    22T   75%
-/dev/grid/node-x24-y20   86T   67T    19T   77%
-/dev/grid/node-x24-y21   87T   71T    16T   81%
-/dev/grid/node-x24-y22   90T   71T    19T   78%
-/dev/grid/node-x24-y23   88T   70T    18T   79%
-/dev/grid/node-x25-y0    91T   70T    21T   76%
-/dev/grid/node-x25-y1    92T   67T    25T   72%
-/dev/grid/node-x25-y2    91T   71T    20T   78%
-/dev/grid/node-x25-y3    88T   68T    20T   77%
-/dev/grid/node-x25-y4    91T   64T    27T   70%
-/dev/grid/node-x25-y5    88T   66T    22T   75%
-/dev/grid/node-x25-y6    89T   66T    23T   74%
-/dev/grid/node-x25-y7    92T   72T    20T   78%
-/dev/grid/node-x25-y8    88T   71T    17T   80%
-/dev/grid/node-x25-y9    90T   65T    25T   72%
-/dev/grid/node-x25-y10   93T   65T    28T   69%
-/dev/grid/node-x25-y11   94T   70T    24T   74%
-/dev/grid/node-x25-y12   90T   69T    21T   76%
-/dev/grid/node-x25-y13   86T   66T    20T   76%
-/dev/grid/node-x25-y14   85T   71T    14T   83%
-/dev/grid/node-x25-y15   91T   72T    19T   79%
-/dev/grid/node-x25-y16   86T   68T    18T   79%
-/dev/grid/node-x25-y17   85T   65T    20T   76%
-/dev/grid/node-x25-y18   85T   67T    18T   78%
-/dev/grid/node-x25-y19   94T   72T    22T   76%
-/dev/grid/node-x25-y20   89T   69T    20T   77%
-/dev/grid/node-x25-y21   94T   70T    24T   74%
-/dev/grid/node-x25-y22   89T   68T    21T   76%
-/dev/grid/node-x25-y23   89T   69T    20T   77%
-/dev/grid/node-x26-y0    91T   64T    27T   70%
-/dev/grid/node-x26-y1    85T   64T    21T   75%
-/dev/grid/node-x26-y2    91T   73T    18T   80%
-/dev/grid/node-x26-y3    94T   66T    28T   70%
-/dev/grid/node-x26-y4    94T   67T    27T   71%
-/dev/grid/node-x26-y5    85T   64T    21T   75%
-/dev/grid/node-x26-y6    94T   73T    21T   77%
-/dev/grid/node-x26-y7    92T   71T    21T   77%
-/dev/grid/node-x26-y8    89T   67T    22T   75%
-/dev/grid/node-x26-y9    89T   72T    17T   80%
-/dev/grid/node-x26-y10   92T   73T    19T   79%
-/dev/grid/node-x26-y11   91T   68T    23T   74%
-/dev/grid/node-x26-y12   90T   64T    26T   71%
-/dev/grid/node-x26-y13   86T   66T    20T   76%
-/dev/grid/node-x26-y14   92T   64T    28T   69%
-/dev/grid/node-x26-y15   91T   64T    27T   70%
-/dev/grid/node-x26-y16   93T   69T    24T   74%
-/dev/grid/node-x26-y17   90T   68T    22T   75%
-/dev/grid/node-x26-y18   91T   64T    27T   70%
-/dev/grid/node-x26-y19   85T   73T    12T   85%
-/dev/grid/node-x26-y20   92T   68T    24T   73%
-/dev/grid/node-x26-y21   87T   67T    20T   77%
-/dev/grid/node-x26-y22   93T   72T    21T   77%
-/dev/grid/node-x26-y23   88T   66T    22T   75%
-/dev/grid/node-x27-y0    92T   69T    23T   75%
-/dev/grid/node-x27-y1    85T   64T    21T   75%
-/dev/grid/node-x27-y2    90T   67T    23T   74%
-/dev/grid/node-x27-y3    87T   69T    18T   79%
-/dev/grid/node-x27-y4    86T   68T    18T   79%
-/dev/grid/node-x27-y5    92T   73T    19T   79%
-/dev/grid/node-x27-y6    93T   65T    28T   69%
-/dev/grid/node-x27-y7    89T   64T    25T   71%
-/dev/grid/node-x27-y8    90T   67T    23T   74%
-/dev/grid/node-x27-y9    89T   66T    23T   74%
-/dev/grid/node-x27-y10   89T   72T    17T   80%
-/dev/grid/node-x27-y11   85T   70T    15T   82%
-/dev/grid/node-x27-y12   89T   70T    19T   78%
-/dev/grid/node-x27-y13   92T   65T    27T   70%
-/dev/grid/node-x27-y14   88T   64T    24T   72%
-/dev/grid/node-x27-y15   89T   70T    19T   78%
-/dev/grid/node-x27-y16   85T   72T    13T   84%
-/dev/grid/node-x27-y17   93T   71T    22T   76%
-/dev/grid/node-x27-y18   94T   72T    22T   76%
-/dev/grid/node-x27-y19   90T   69T    21T   76%
-/dev/grid/node-x27-y20   86T   69T    17T   80%
-/dev/grid/node-x27-y21   90T   68T    22T   75%
-/dev/grid/node-x27-y22   85T   70T    15T   82%
-/dev/grid/node-x27-y23   91T   71T    20T   78%
-/dev/grid/node-x28-y0    88T   68T    20T   77%
-/dev/grid/node-x28-y1    92T   67T    25T   72%
-/dev/grid/node-x28-y2    88T   66T    22T   75%
-/dev/grid/node-x28-y3    87T   69T    18T   79%
-/dev/grid/node-x28-y4    88T   66T    22T   75%
-/dev/grid/node-x28-y5    89T   67T    22T   75%
-/dev/grid/node-x28-y6    94T   64T    30T   68%
-/dev/grid/node-x28-y7    92T   64T    28T   69%
-/dev/grid/node-x28-y8    93T   65T    28T   69%
-/dev/grid/node-x28-y9    90T   66T    24T   73%
-/dev/grid/node-x28-y10   93T   67T    26T   72%
-/dev/grid/node-x28-y11   94T   71T    23T   75%
-/dev/grid/node-x28-y12   85T   69T    16T   81%
-/dev/grid/node-x28-y13   86T   73T    13T   84%
-/dev/grid/node-x28-y14   93T   64T    29T   68%
-/dev/grid/node-x28-y15   88T   64T    24T   72%
-/dev/grid/node-x28-y16   86T   65T    21T   75%
-/dev/grid/node-x28-y17   92T   72T    20T   78%
-/dev/grid/node-x28-y18   88T   64T    24T   72%
-/dev/grid/node-x28-y19   85T   72T    13T   84%
-/dev/grid/node-x28-y20   90T   73T    17T   81%
-/dev/grid/node-x28-y21   85T   68T    17T   80%
-/dev/grid/node-x28-y22   91T   69T    22T   75%
-/dev/grid/node-x28-y23   90T   67T    23T   74%
-/dev/grid/node-x29-y0    89T   71T    18T   79%
-/dev/grid/node-x29-y1    89T   67T    22T   75%
-/dev/grid/node-x29-y2    89T   70T    19T   78%
-/dev/grid/node-x29-y3    91T   64T    27T   70%
-/dev/grid/node-x29-y4    91T   70T    21T   76%
-/dev/grid/node-x29-y5    91T   68T    23T   74%
-/dev/grid/node-x29-y6    88T   72T    16T   81%
-/dev/grid/node-x29-y7    88T   65T    23T   73%
-/dev/grid/node-x29-y8    94T   67T    27T   71%
-/dev/grid/node-x29-y9    92T   69T    23T   75%
-/dev/grid/node-x29-y10   92T   70T    22T   76%
-/dev/grid/node-x29-y11   91T   64T    27T   70%
-/dev/grid/node-x29-y12   85T   73T    12T   85%
-/dev/grid/node-x29-y13   87T   68T    19T   78%
-/dev/grid/node-x29-y14   90T   71T    19T   78%
-/dev/grid/node-x29-y15   93T   68T    25T   73%
-/dev/grid/node-x29-y16   89T   69T    20T   77%
-/dev/grid/node-x29-y17   86T   68T    18T   79%
-/dev/grid/node-x29-y18   91T   65T    26T   71%
-/dev/grid/node-x29-y19   86T   67T    19T   77%
-/dev/grid/node-x29-y20   89T   69T    20T   77%
-/dev/grid/node-x29-y21   87T   72T    15T   82%
-/dev/grid/node-x29-y22   93T   71T    22T   76%
-/dev/grid/node-x29-y23   90T   70T    20T   77%
-/dev/grid/node-x30-y0    86T   65T    21T   75%
-/dev/grid/node-x30-y1    86T   68T    18T   79%
-/dev/grid/node-x30-y2    88T   66T    22T   75%
-/dev/grid/node-x30-y3    86T   67T    19T   77%
-/dev/grid/node-x30-y4    90T   73T    17T   81%
-/dev/grid/node-x30-y5    86T   70T    16T   81%
-/dev/grid/node-x30-y6    89T   72T    17T   80%
-/dev/grid/node-x30-y7    85T   73T    12T   85%
-/dev/grid/node-x30-y8    94T   64T    30T   68%
-/dev/grid/node-x30-y9    89T   67T    22T   75%
-/dev/grid/node-x30-y10   85T   68T    17T   80%
-/dev/grid/node-x30-y11   87T   69T    18T   79%
-/dev/grid/node-x30-y12   94T   68T    26T   72%
-/dev/grid/node-x30-y13   86T   67T    19T   77%
-/dev/grid/node-x30-y14   88T   71T    17T   80%
-/dev/grid/node-x30-y15   89T   68T    21T   76%
-/dev/grid/node-x30-y16   86T   70T    16T   81%
-/dev/grid/node-x30-y17   86T   66T    20T   76%
-/dev/grid/node-x30-y18   86T   72T    14T   83%
-/dev/grid/node-x30-y19  501T  493T     8T   98%
-/dev/grid/node-x30-y20   86T   71T    15T   82%
-/dev/grid/node-x30-y21   94T   68T    26T   72%
-/dev/grid/node-x30-y22   88T   73T    15T   82%
-/dev/grid/node-x30-y23   88T   73T    15T   82%
-/dev/grid/node-x31-y0    88T   73T    15T   82%
-/dev/grid/node-x31-y1    86T   70T    16T   81%
-/dev/grid/node-x31-y2    87T   67T    20T   77%
-/dev/grid/node-x31-y3    87T   72T    15T   82%
-/dev/grid/node-x31-y4    89T   72T    17T   80%
-/dev/grid/node-x31-y5    91T   69T    22T   75%
-/dev/grid/node-x31-y6    94T   71T    23T   75%
-/dev/grid/node-x31-y7    87T   72T    15T   82%
-/dev/grid/node-x31-y8    86T   69T    17T   80%
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--- a/data/advent2016/input24.txt
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@@ -1,39 +0,0 @@
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--- a/data/advent2016/input3.txt
+++ b/data/advent2016/input3.txt
--- a/data/advent2016/input4.txt
+++ b/data/advent2016/input4.txt
@@ -1,980 +0,0 @@
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-ixccb-iorzhu-hqjlqhhulqj-647[hqcij]
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--- a/data/advent2016/input6.txt
+++ b/data/advent2016/input6.txt
@@ -1,598 +0,0 @@
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-fkqapoid
-bodleqbn
-kpxiuodk
-johmsncc
-enhamlol
-yhtydoss
--- a/data/advent2016/input7.txt
+++ b/data/advent2016/input7.txt
--- a/data/advent2016/input8.txt
+++ b/data/advent2016/input8.txt
@@ -1,194 +0,0 @@
-rect 1x1
-rotate row y=0 by 7
-rect 1x1
-rotate row y=0 by 5
-rect 1x1
-rotate row y=0 by 5
-rect 1x1
-rotate row y=0 by 2
-rect 1x1
-rotate row y=0 by 3
-rect 1x1
-rotate row y=0 by 5
-rect 1x1
-rotate row y=0 by 3
-rect 1x1
-rotate row y=0 by 2
-rect 1x1
-rotate row y=0 by 3
-rect 2x1
-rotate row y=0 by 7
-rect 6x1
-rotate row y=0 by 3
-rect 2x1
-rotate row y=0 by 2
-rect 1x2
-rotate row y=1 by 10
-rotate row y=0 by 3
-rotate column x=0 by 1
-rect 2x1
-rotate column x=20 by 1
-rotate column x=15 by 1
-rotate column x=5 by 1
-rotate row y=1 by 5
-rotate row y=0 by 2
-rect 1x2
-rotate row y=0 by 5
-rotate column x=0 by 1
-rect 4x1
-rotate row y=2 by 15
-rotate row y=0 by 5
-rotate column x=0 by 1
-rect 4x1
-rotate row y=2 by 5
-rotate row y=0 by 5
-rotate column x=0 by 1
-rect 4x1
-rotate row y=2 by 10
-rotate row y=0 by 10
-rotate column x=8 by 1
-rotate column x=5 by 1
-rotate column x=0 by 1
-rect 9x1
-rotate column x=27 by 1
-rotate row y=0 by 5
-rotate column x=0 by 1
-rect 4x1
-rotate column x=42 by 1
-rotate column x=40 by 1
-rotate column x=22 by 1
-rotate column x=17 by 1
-rotate column x=12 by 1
-rotate column x=7 by 1
-rotate column x=2 by 1
-rotate row y=3 by 10
-rotate row y=2 by 5
-rotate row y=1 by 3
-rotate row y=0 by 10
-rect 1x4
-rotate column x=37 by 2
-rotate row y=3 by 18
-rotate row y=2 by 30
-rotate row y=1 by 7
-rotate row y=0 by 2
-rotate column x=13 by 3
-rotate column x=12 by 1
-rotate column x=10 by 1
-rotate column x=7 by 1
-rotate column x=6 by 3
-rotate column x=5 by 1
-rotate column x=3 by 3
-rotate column x=2 by 1
-rotate column x=0 by 1
-rect 14x1
-rotate column x=38 by 3
-rotate row y=3 by 12
-rotate row y=2 by 10
-rotate row y=0 by 10
-rotate column x=7 by 1
-rotate column x=5 by 1
-rotate column x=2 by 1
-rotate column x=0 by 1
-rect 9x1
-rotate row y=4 by 20
-rotate row y=3 by 25
-rotate row y=2 by 10
-rotate row y=0 by 15
-rotate column x=12 by 1
-rotate column x=10 by 1
-rotate column x=8 by 3
-rotate column x=7 by 1
-rotate column x=5 by 1
-rotate column x=3 by 3
-rotate column x=2 by 1
-rotate column x=0 by 1
-rect 14x1
-rotate column x=34 by 1
-rotate row y=1 by 45
-rotate column x=47 by 1
-rotate column x=42 by 1
-rotate column x=19 by 1
-rotate column x=9 by 2
-rotate row y=4 by 7
-rotate row y=3 by 20
-rotate row y=0 by 7
-rotate column x=5 by 1
-rotate column x=3 by 1
-rotate column x=2 by 1
-rotate column x=0 by 1
-rect 6x1
-rotate row y=4 by 8
-rotate row y=3 by 5
-rotate row y=1 by 5
-rotate column x=5 by 1
-rotate column x=4 by 1
-rotate column x=3 by 2
-rotate column x=2 by 1
-rotate column x=1 by 3
-rotate column x=0 by 1
-rect 6x1
-rotate column x=36 by 3
-rotate column x=25 by 3
-rotate column x=18 by 3
-rotate column x=11 by 3
-rotate column x=3 by 4
-rotate row y=4 by 5
-rotate row y=3 by 5
-rotate row y=2 by 8
-rotate row y=1 by 8
-rotate row y=0 by 3
-rotate column x=3 by 4
-rotate column x=0 by 4
-rect 4x4
-rotate row y=4 by 10
-rotate row y=3 by 20
-rotate row y=1 by 10
-rotate row y=0 by 10
-rotate column x=8 by 1
-rotate column x=7 by 1
-rotate column x=6 by 1
-rotate column x=5 by 1
-rotate column x=3 by 1
-rotate column x=2 by 1
-rotate column x=1 by 1
-rotate column x=0 by 1
-rect 9x1
-rotate row y=0 by 40
-rotate column x=44 by 1
-rotate column x=35 by 5
-rotate column x=18 by 5
-rotate column x=15 by 3
-rotate column x=10 by 5
-rotate row y=5 by 15
-rotate row y=4 by 10
-rotate row y=3 by 40
-rotate row y=2 by 20
-rotate row y=1 by 45
-rotate row y=0 by 35
-rotate column x=48 by 1
-rotate column x=47 by 5
-rotate column x=46 by 5
-rotate column x=45 by 1
-rotate column x=43 by 1
-rotate column x=40 by 1
-rotate column x=38 by 2
-rotate column x=37 by 3
-rotate column x=36 by 2
-rotate column x=32 by 2
-rotate column x=31 by 2
-rotate column x=28 by 1
-rotate column x=23 by 3
-rotate column x=22 by 3
-rotate column x=21 by 5
-rotate column x=20 by 1
-rotate column x=18 by 1
-rotate column x=17 by 3
-rotate column x=13 by 1
-rotate column x=10 by 1
-rotate column x=8 by 1
-rotate column x=7 by 5
-rotate column x=6 by 5
-rotate column x=5 by 1
-rotate column x=3 by 5
-rotate column x=2 by 5
-rotate column x=1 by 5
--- a/data/advent2016/input9.txt
+++ b/data/advent2016/input9.txt
--- a/data/advent2017/input1.txt
+++ b/data/advent2017/input1.txt
@@ -1 +0,0 @@
-3294199471327195994824832197564859876682638188889768298894243832665654681412886862234525991553276578641265589959178414218389329361496673991614673626344552179413995562266818138372393213966143124914469397692587251112663217862879233226763533911128893354536353213847122251463857894159819828724827969576432191847787772732881266875469721189331882228146576832921314638221317393256471998598117289632684663355273845983933845721713497811766995367795857965222183668765517454263354111134841334631345111596131682726196574763165187889337599583345634413436165539744188866156771585647718555182529936669683581662398618765391487164715724849894563314426959348119286955144439452731762666568741612153254469131724137699832984728937865956711925592628456617133695259554548719328229938621332325125972547181236812263887375866231118312954369432937359357266467383318326239572877314765121844831126178173988799765218913178825966268816476559792947359956859989228917136267178571776316345292573489873792149646548747995389669692188457724414468727192819919448275922166321158141365237545222633688372891451842434458527698774342111482498999383831492577615154591278719656798277377363284379468757998373193231795767644654155432692988651312845433511879457921638934877557575241394363721667237778962455961493559848522582413748218971212486373232795878362964873855994697149692824917183375545192119453587398199912564474614219929345185468661129966379693813498542474732198176496694746111576925715493967296487258237854152382365579876894391815759815373319159213475555251488754279888245492373595471189191353244684697662848376529881512529221627313527441221459672786923145165989611223372241149929436247374818467481641931872972582295425936998535194423916544367799522276914445231582272368388831834437562752119325286474352863554693373718848649568451797751926315617575295381964426843625282819524747119726872193569785611959896776143539915299968276374712996485367853494734376257511273443736433464496287219615697341973131715166768916149828396454638596713572963686159214116763
--- a/data/advent2017/input11.txt
+++ b/data/advent2017/input11.txt
--- a/data/advent2017/input12.txt
+++ b/data/advent2017/input12.txt
--- a/data/advent2017/input13.txt
+++ b/data/advent2017/input13.txt
@@ -1,43 +0,0 @@
-0: 3
-1: 2
-2: 4
-4: 6
-6: 4
-8: 6
-10: 5
-12: 6
-14: 9
-16: 6
-18: 8
-20: 8
-22: 8
-24: 8
-26: 8
-28: 8
-30: 12
-32: 14
-34: 10
-36: 12
-38: 12
-40: 10
-42: 12
-44: 12
-46: 12
-48: 12
-50: 12
-52: 14
-54: 14
-56: 12
-62: 12
-64: 14
-66: 14
-68: 14
-70: 17
-72: 14
-74: 14
-76: 14
-82: 14
-86: 18
-88: 14
-96: 14
-98: 44
--- a/data/advent2017/input16.txt
+++ b/data/advent2017/input16.txt
--- a/data/advent2017/input18.txt
+++ b/data/advent2017/input18.txt
@@ -1,41 +0,0 @@
-set i 31
-set a 1
-mul p 17
-jgz p p
-mul a 2
-add i -1
-jgz i -2
-add a -1
-set i 127
-set p 826
-mul p 8505
-mod p a
-mul p 129749
-add p 12345
-mod p a
-set b p
-mod b 10000
-snd b
-add i -1
-jgz i -9
-jgz a 3
-rcv b
-jgz b -1
-set f 0
-set i 126
-rcv a
-rcv b
-set p a
-mul p -1
-add p b
-jgz p 4
-snd a
-set a b
-jgz 1 3
-snd b
-set f 1
-add i -1
-jgz i -11
-snd a
-jgz f -16
-jgz a -19
--- a/data/advent2017/input19.txt
+++ b/data/advent2017/input19.txt
@@ -1,201 +0,0 @@
-                                                                                                                                                   |                                                     
-                         +-+             +-----------------------------+   +---+                                                           +-------+   +-+ +-+                   +-+     +-------+   +-+ 
-                         | |             |                             |   |   |                                                           |           | | | |                   | |     |       |   | | 
-           +-------------+ |   +-+     +-------------------------------|---|---|---------------------------------------------------------+ |           | | | |                   | |     |     +-+   | | 
-           |               |   | |     | |                             |   |   |                                                         | |           | | | |                   | |     |     |     | | 
-           |               |   | |     | |                 +-+   +---+ |   |   |         +-------------------------------------------------|-------------+ | |                   | |     |     |     | | 
-           |               |   | |     | |                 | |   |   | |   |   |         |                                               | |           |   | |                   | |     |     |     | | 
-   +-------|-------------------|-|-+   | |             +---+ I +-|---|-|---+   |         |                   +-------------------------------------------------------------------|-|-----|---+ +-------+ 
-   |       |               |   | | |   | |             |       | |   | |       |         |                   |                           | |           |   | |                   | |     |   |       |   
-   |       |               |   +---------|-------------|---------+ +-|---------|---------|-----------+       |                           | |     +---------|-|-------------------------------|-----+ |   
-   |       |               |     | |   | |             |       |   | | |       |         |           |       |                           | |     |     |   | |                   | |     |   |     | |   
-   |       |               |     | | +---|-------------|-------|---|-|-------------+     |           |       |                     +-------|-+   |     |   | +---------------------|-----|---+     | |   
-   |       |               |     | | | | |             |       |   | | |       |   |     |           |       |                     |     | | |   |     |   |                     | |     |         | |   
-   |       |               |     | | | | |             |       |   | | |   +---|---------|-----------|-------|---------------------|-------|-----------|-------------------------|-------|-------+ | |   
-   |       |               |     | | | | |             |       |   | | |   |   |   |     |           |       |                     |     | | |   |     |   |                     | |     |       | | |   
-   |       |               |     | | | | |             | +-----|---|-------|-------|-----|-----------------------------------------|---------|-------+ |   +---------------------|-|-------------|---+   
-   |       |               |     | | | | |             | |     |   | | |   |   |   |     |           |       |                     |     | | |   |   | |                         | |     |       | |     
-   |       |               |     | +-|-|---------------|-|-----|-----|-|---+   |   |     |           |       |                     |     | | |   |   | |       +-------------+   +-------|---+   | |     
-   |       |               |     |   | | |             | |     |   | | |       |   |     |           |       |                     |     | | |   |   | |       |             |     |     |   |   | |     
- +---------------------+ +-------|-----|---------------|-|-----|-----|-|-----------+     |           |       |           +-----------------|-----|-----|---------------------------|-----|-----+ | |     
- | |       |           | | |     |   | | |             | |     |   | | |       |         |           |       |           |         |     | | |   |   | |       |             |     |     |   | | | |     
- | |       |           | | |     |   | | |             | |     | +-|---|-------|---------------------|-------------------|---------|-----|-------|---|-|-------|-----------------------+ |   | | | |     
- | |       |           | | |     |   | | |             | |     | | | | |       |         |           |       |           |         |     | | |   |   | |       |             |     |   | |   | | | |     
- | |       |           | | |     |   | | |         +-----|---+ +-------|-----------------|-----------|-------+           |         | +---|-------------|---------------------|---------|-|-----+ | |     
- | |       |           | | |     |   | | |         |   | |   |   | | | |       |         |           |                   |         | |   | | |   |   | |       |             |     |   | |   |   | |     
- | | +-+ +-|-----------|-------------|-|-|---------------------+ | | +-|-----------------|-----------|---+     +---------|---------------|-|-|-----------------|-------------|-----|-----|---|---------+ 
- | | | | | |           | | |     |   | | |         |   | |   | | | |   |       |         |           |   |     |         |         | |   | | |   |   | |       |             |     |   | |   |   | |   | 
- | | | | | |           | | |     |   | | |         | +-|-|-+ | | | |   |       |         |           |   | +---|-----+   |         | |   | | |   |   | |       |       +-----|-----|-----|---+   | |   | 
- | | | | | |           | | |     |   | | |         | | | | | | | | |   |       |         |           |   | |   |     |   |         | |   | | |   |   | |       |       |     |     |   | |       | |   | 
- | | | | | +---+       | | |     |   | | |         +-|---|---|-|-----+ |   +-------------|-----------|---+ |   |     |   |         | |   | | |   |   | |       | +-----------------------|-+     | |   | 
- | | | | |     |       | | |     |   | | |           | | | | | | | | | |   |   |         |           |     |   |     |   |         | |   | | |   |   | |       | |     |     |     |   | | |     | |   | 
- | | | | |     |       | | |     |   | | |           | | | | | | | | | |   |   |         |   +---------------------------------------|---|---|---|---------------------|-------------------+     | |   | 
- | | | | |     |       | | |     |   | | |           | | | | | | | | | |   |   |         |   |       |     |   |     |   |         | |   | | |   |   | |       | |     |     |     |   | |       | |   | 
- | | | | |     |       | | |     |   | | |           | | | | | | | | | |   |   |         |   |       +-----|-+ |   +-----|-----------|---|-|-|-------------+ +---|-+   |     |     | +-----+     | |   | 
- | | | | |     |       | | |     |   | | |           | | | | | | | | | |   |   |         |   |             | | |   | |   |         | |   | | |   |   | |   | | | | |   |     |     | | | | |     | |   | 
- | | | | |     |       | | |     |   | | |           | | +-|-|-|---+ | |   |   |         |   |             | | |   | +-------------|-----------------|-|---|-|-|---|---------------|-|-|-|-----+ | |   | 
- | | | | |     |       | | |     |   | | |           | |   | | | |   | |   |   |         |   |             | | |   |     |         | |   | | |   |   | |   | | | | |   |     |     | | | | |   | | |   | 
- | | | | |     +---------|-|-----|-+ | | |           | |   | | | |   +-------------------|----------------------C--|---------------+ |   | | |   |   | |   | | +-------|-----|-----+ | | | |   | | |   | 
- | | | | |             | | |     | | | | |           | |   | | | |     |   |   |         |   |             | | |   |     |           |   | | |   |   | |   | |   | |   |     |       | | | |   | | |   | 
- | | | +-----------------|-------|-|---|-|-----------|-----|-|-|-|-----|-----------------|---|---------------------|-----|-----------|-------|-------|-----------|-----------|-----+ | | | | +-|-+ |   | 
- | | |   |             | | |     | | | | |           | |   | | | |     |   |   |         |   |             | | |   |     |           |   | | |   |   | |   | |   | |   |     |     | | | | | | |   |   | 
- | | |   |             | | |     | | | | |           | |   | | | |     |   |   |         |   |             | | |   |     |           |   | | |   |   | |   | |   | |   |     |     | +-|---|-+ |   |   | 
- | | |   |             | | |     | | | | |           | |   | | | |     |   |   |         |   |             | | |   |     |           |   | | |   |   | |   | |   | |   |     |     |   | | |   |   |   | 
- | | |   |             | | |     | | | +---------------------|---|---------|---------+   |   |             | | +---+     |           |   | | |   |   | |   | |   +-|-----------------+ | | | +-------+ | 
- | | |   |             | | |     | | |   |           | |   | | | |     |   |   |     |   |   |             | |           |           |   | | |   |   | |   | |     |   |     |     | | | | | | |   | | | 
- | | |   |             | | |     | | |   |           | |   | | | |     |   |   |     |   |   |             | |           |           |   | | |   |   | |   | |   +-|---------|-----|-|---+ | | |   | | | 
- | | |   |             | | |     | | |   |           | |   | | | |     |   |   |     |   |   |             | |           |           |   | | |   |   | |   | |   | |   |     |     | | |   | | |   | | | 
- | | |   |             | | |     | | |   |           | |   | | | | +---|---|-+ |     |   | +---+           | |           |           |   | | |   +-----|-----|---|-|-----------------|-----|---+   | | | 
- | | |   |             | | |     | | |   |           | |   | | | | |   |   | | |     |   | | | |           | |           |           |   | | |       | |   | |   | |   |     |     | | |   | |     | | | 
- | | |   |             | | |     | | |   |           +-|---|-------+   |   | | |     |   | | | |           | |           |           |   | | |       | |   | |   | |   |     |   +-|-|---------+   | | | 
- | | |   |             | | |     | | |   |             |   | | | |     |   | | |     |   | | | |           | |           |           |   | | |       | |   | |   | |   |     |   | | | |   | | |   | | | 
- | | |   |           +-|-----+   | | |   |             |   | | | |     |   | | |     |   | | | |           | |           |           |   | | |       | |   | +---|-|---|-----|---|-|-+ |   | | |   | | | 
- | | |   |           | | | | |   | | |   |             |   | | | |     |   | | |     |   | | | |           | |           |           |   | | |       | |   |     | |   |     |   | |   |   | | |   | | | 
- | | |   |           | | | | |   | | |   |     +-----+ +---------|---+ |   | | |     |   | | | |           | |           |           |   | | |       | |   |   +-|---+ |   +-----|---+ |   | | |   | | | 
- | | |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |           |   | | |       | |   |   | | | | |   | |   | | | |   | | |   | | | 
- | | |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |           |   | | |       | |   |   | | | | |   | |   | | | |   | | +-+ | | | 
- | | |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |           |   | | |       | |   |   | | | | |   | |   | | | |   | |   | | | | 
- +-+ |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |           |   | | |       | +---------|-|---------------------------+ | | | | 
-     |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |           |   | | |       |     |   | | | | |   | |   | | | |   | | | | | | | 
-     |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |     +-----------|-----------------------|---------------|-|-----|-----|-|-|-+ 
-     |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |     |     |   | | |       |     |   | | | | |   | |   | | | |   | | | | | |   
-     |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |     |     |   | | |       |     |   | | | | |   | |   | | | | +-|---|-|-+ |   
-     |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |     |     |   | | |       |     |   | | | | |   | |   | | | | | | | | |   |   
-     |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |     +-----|-------------|-----|-----|-----|---------|---------|-|-|-|-------|-----|-+ | | | | | |   |   
-     |   |           | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |     |     | |           |     |     |   | | |       |     |   | | | | |   | |   | |   | | | | | |   |   
-     |   |         +-------|-----|---|---|-----|-----|-----------|---|-|---|-|-|-----|-----|---------------|-|-----------|-----|-----|-----|---------|-----|-----|-|-|-----|-|-----|---|-|-------+   |   
-     |   |         | | | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |     |     | |           |     |     |   | | |       |     |   | | | | |   | |   | |   | | | | |     |   
-     |   |         | +-|---|---------|---|-------------------|-|-|---|-|---|-|-----------------|-----------|-|-----------|-----|-----|---------------------|-----------|---------|-----|---|---------|-+ 
-     |   |         |   | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |     |     | |           |     |     |   | | |       |     |   | | | | |   | |   | |   | | | | |     | | 
-     |   |         +---|---------|---|---|-----------|-----------------|---|---|------L----|-|-------+     | |           |     |     |   | | |       |     |   | +-|-|-|---|-|---|-----|-|---+ | +---+ | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |     |     |   | | |       |     |   |   | | |   | |   | |   | | |   | |     | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |     |     |   | | | +---------------------|-|-----|-----------|-------|---+ | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | | |           | |           |     |     |   | | | |     |     |   |   | | |   | |   | |   | | |   | |   | | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | | +-|-----------|-|---+       | +-------------|-----------------|---|-----|-|---|-|-----|---|-|---+ | |   | | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | |   |           | |   |       | |   |     |   | | | |     |     |   |   | | |   | |   | |   | | | | | |   | | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | |   +-------------|---|-------|-----|---------|---|-|-----|-----------+ | | | +-|-------|-------|-----|---+ | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | |               | |   |       | |   |     |   | | | |     |     |   | | | | | | | |   | |   | | | | | |     | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | |               | |   |       | |   |   +-------|-|-------------|---|-+ | | | | | |   | |   | | | | | |     | 
-     |   |             | | | |   | | |   |     |     |     | | | |   | |   | | |     |   | |               | |   |       | |   |   | |   | | | |     |     |   |   | | | X | |   | |   | | | | | |     | 
-     |   |             | | | +---|-------|-----------------|---|-|-------------------|---------+           +-----|-------------|-----|-----|-----------------------|-|-------|---|-|---|-|-|-|-------+ | 
-     |   |             | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |             |   |       | |   |   | |   | | | |     |     |   |   | | | | | |   | |   | | | | | |   | | 
-   +--B--|---------+   | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |           +-|-----------|---+ |   | |   | | | |     |     |   | +-|---|---------+ |   | | | | | |   | | 
-   | |   |         |   | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |           | |   |       | | | |   | |   | | | |     |     |   | | | | | | | |     |   | | | | | |   | | 
-   | |   |         +---|-|-----------|---------|-------------|-------|-----|-|-|-----|---|-----------------------|-------|-|-------|-|-----|---|-----|-----|---|-----|-----|-|-----|---+ | +-|-|-|---+ | 
-   | |   |             | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |           | |   |       | | | |   | |   | | | |     |     |   | | | | | | | |     |     |   | | |     | 
-   | |   |             | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |           +-----------------------|-------|-|-|---------------|-------|-|-------+ |     |   | | | +-+ | 
-   | |   |             | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |             |   |       | | | |   | |   | | | |     |     |   | | | | | | | |   | |     |   | | | | | | 
-   | |   |             | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |             |   |       | | | |   | |   | | | |     |     |   | | | | | | | |   | |     |   | | | | | | 
-   | |   |             | | |     | | |   |     |     |     | | | |   | |   | | |     |   | |   |             |   |       | | | |   | |   | | | |     |     |   | | | | | | | |   | |     |   | | | | | | 
-   | |   |             | | |     | | |   |     |     |     | | | |   +-----|-|-----------|-|---|-------------|---|-------|-----|---|-|---|-----|---------------|-----|-|-|-------|-|-------+ | | | | | | 
-   | |   |             | | |     | | |   |     |     |     | | | |     |   | | |     |   | |   |             |   |       | | | |   | |   | | | |     |     |   | | | | | | | |   | |     | | | | | | | | 
-   | |   +-------------|-|-|---------|---+     |     |     | | | |     |   | | |     |   | | +-|-----------------|-------+ | | |   | |   | | | |     |     |   | | +---|---------|-----+ | | | | | | | | 
-   | |                 | | |     | | |         |     |     | | | |     |   | | |     |   | | | |             |   |         | | |   | |   | | | |     |     |   | |   | | | | |   | |   | | | | | | | | | 
-   | |             +---|-|-|---------|---------------------|---|-------|-----|-|-----|---+ +---|-------------|---|-------------------------|-|-|-----------|---|---------|-|-|---|-|---|---+ | | | | | | 
-   | |             |   | | |     | | |         |     |     | | | |     |   | | |     |       | |             |   |         | | |   | |   | | | |     |     |   | |   | | | | |   | |   | |   | | | | | | 
-   | |             |   | | |     | | |         |     |     | | | |     |   | | |     |       | |         +---|---------------------------------------|---------|-|---|-|---|-----|-----------|-|-----+ | 
-   | |             |   | | |     | | |         |     |     | | | |     |   | | |     |       | |         |   |   |         | | |   | |   | | | |     |     |   | |   | | | | |   | |   | |   | | | |   | 
-   | |             |   +-|-|-----|-|-----------|-------------|-|-|---------|---|-----|-------|-----------|---|-------------+ | |   | |   | | | |     |     |   | +-----|-|---+   | | +-|-|-+ | | | |   | 
-   | |             |     | |     | | |         |     |     | | | |     |   | | |     |       | |         |   |   |           | |   | |   | | | |     |     |   |     | | | |     | | | | | | | | | |   | 
-   | |             |     | |     | | |         |     |     | | | |     |   | | |     |       | |         |   |   |           | |   | |   | | | |     |     |   |     | | | |     | | | | | | | | | |   | 
-   | |             |     | |     | | |         |     |     | | | |     |   | | |     |       | |         |   |   |           | |   | |   | | | |     |     |   |     | | | |     | | | | | | | | | |   | 
-   | |           +-------|-|-------|-------------------------|---------|---|---------------------------------|---------------------|-|---|-|---|-----|-----|-------------|-|-----|-|-|---|---+ | | |   | 
-   | |           | |     | |     | | |         |     |     | | | |     |   | | |     |       | |         |   |   |           | |   | |   | | | |     |     |   |     | | | |     | | | | | |   | | |   | 
-   | |           | |     | |     | | |         |     |     | | | |     |   | | |   +---------------------|---|-----------------|---------|-|---|---------------|---------|-------|---|---|-----------+ | 
-   | |           P |     | |     | | |         |     |     | | | |     |   | | |   | |       | |         |   |   |           | |   | |   | | | |     |     |   |     | | | |     | | | | | |   | | | | | 
-   | |           | |     | |     | | | +-------------|-----|---|-|-----+   | | |   | |       | |         |   |   |           | |   | |   | | | |     |     |   |     | | | +-----|-|-|-|---|---|---+ | | 
-   | |           | |     | |     | | | |       |     |     | | | |         | | |   | |       | |         |   |   |           | |   | |   | | | |     |     |   |     | | |       | | | | | |   | |   | | 
-   | |           | |     | |     | | | | +-----|-----|-------|---|-----------------|-------------------------|---------------|-|---|-------|---|-----|---------|-+   | | | +-----|-|-|---|---------+ | | 
-   | |           | |     | |     | | | | |     |     |     | | | |         | | |   | |       | |         |   |   |           | |   | |   | | | |     |     |   | |   | | | |     | | | | | |   | | | | | 
-   | |           | |     | |     | | | | |     |     |     | | | |         | | |   | |       | |         |   |   |           | |   | |   | | | |     |     |   | |   | | | |     | | +-|-|-----|---+ | | 
-   | |           | |     | |     | | | | |     |     |     | | | |         | | |   | |       | |         |   |   |           | |   | |   | | | |     |     |   | |   | | | |     | |   | | |   | |   | | 
-   | |           | |     | +---------|---+     | +---|-----|---|-|-------------|-----|-------|-|---------|---+   |       +-----|-----|-----|-|-|-------------+ | +---------|-------|---|-|-|-----|-+ | | 
-   | |           | |     |       | | | |       | |   |     | | | |         | | |   | |       | |         |       |       |   | |   | |   | | | |     |     | | |     | | | |     | |   | | |   | | | | | 
-   | |           | |     |       | | | |       +-+   |     | | | | +---------|-----|-|-------|-|-----+   |       |       |   | |   | |   | | | |     |     | | |     | | | |     | |   | | |   | | | | | 
-   | |           | |     |       | | | |             |     | | | | |       | | |   | |       | |     |   |       |       |   | |   | |   | | | |     |     | | |     | | | |     | |   | | |   | | | | | 
-   | |           | |     |       | | | |             |     | | | | |       | | |   | |       | |     +-----------|-----------|-----|-----|---|-|-----|---------|-----|-|-|-------|-|-+ | | |   | | | | | 
-   | |           | |     |       | | | |             |     | | | | |       | | |   | |       | |         |       |       |   | |   | |   | | | |     |     | | |     | | | |     | | | | | |   | | | | | 
-   | |           | |     |       | | | |             |     | | | | |       | | |   | |       | |         | +-------------------|-----|---|-|-|-------------|-----------|---|-----|---+ | | |   | | | | | 
-   | |           | |     |       | | | |             |     | | | | |       | | |   | |       | |         | |     |       |   | |   | |   | | | |     |     | | |     | | | |     | |   | | |   | | | | | 
-   +-|-------------------|---------|-|---------------|-----|-|-----|-------|-|-|-----+       | |         | |     |       |   | |   | |   | | | |     |     | | |     | | | |     | |   | | |   | | | | | 
-     |           | |     |       | | | |             |     | | | | |       | | |   |         | |         | |     |       |   | |   | |   | | | |     |     | | |     | | | |     | |   | | |   | | | | | 
-     |           | |     |       | | | |             |     | | | | |       | | |   |     +-----|------H------+   |       |   | |   | |   | | | |   +-|-----|---|-+   | | | +-+   | |   | | |   | | | | | 
-     |           | |     |       | | | |             |     | | | | |       | | |   |     |   | |         | | |   |       |   | |   | |   | | | |   | |     | | | |   | | |   |   | |   | | |   | | | | | 
-     |           | |     |       | | | |             |     | | | | |       | | |   |     |   | |         | | |   |       |   | |   | |   | | | |   | |     +-----|---|---------+ | |   +-|-+   | | | | | 
-     |           | |     |       | | | |             |     | | | | |       | | |   |     |   | |         | | |   |       |   | |   | |   | | | |   | |       | | |   | | |   | | | |     |     | | | | | 
-     |       +-----|-----|---------+ | |             |     | | | | |       | | |   |     |   | |         | | |   | +---------------|-----|-|---|-------------|---|-----|-|-----|-----------------+ | | | 
-     |       |   | |     |       |   | |             |     | | | | |       | | |   |     |   | |         | | |   | |     |   | |   | |   | | | |   | |       | | |   | | |   | | | |     |     |   | | | 
-     |       |   | |     |       |   | |             |     | | | | |       | | |   |     |   | |         | | |   | |     |   | |   | |   | | | |   | |       | | |   | | |   | | | |     |     |   | | | 
-     |       |   | |     |       |   | V             |     | | | | |       | | |   |     |   | |         | | |   | |     |   | |   | |   | | | |   | |       | | |   | | |   | | | |     |     |   | | | 
-   +-|-------------|-------+     |   | |             |     | | | | |       | | |   |     |   | |         | | |   | +---------------|-------|-+ |   | |       | | |   | | |   | | | |     |     |   | | | 
-   | |       |   | |     | |     |   | |             |     | | | | |       | | |   |     |   | |         | | |   |       |   | |   | |   | |   |   | |       | | |   | | |   | | | |     |     |   | | | 
-   | |       |   | |     | |     |   | |             |     | | | | |       | | |   |     | +-------------+ | |   |       |   | |   | |   | |   |   | |       | | |   | | |   | | | |     |     |   | | | 
-   | |       |   | |     | |     |   | |             |     | | | | |       | | |   |     | | | |           | |   |       |   | |   | |   | |   |   | |       | | |   | | |   | | | |     |     |   | | | 
- +-+ |       |   | |     | |     |   | +-------------|-------|---|-------+ | | |   |   +---|-|-|-----------|-|-------+   |   | |   | |   | |   |   | |       | | |   | | |   | | | |     |     |   | | | 
- |   |       |   | |     | |     |   |               |     | | | | |     | | | |   |   | | | | |           | |   |   |   |   | |   | |   | |   |   | |       | | |   | | |   | | | |     |     |   | | | 
- |   |     +-----|-|-------------|---|---------------|-------|---|-------|---|-----|---|---------------------|---|---|-------------------|-----|---|-|-------|-------|-------|-+ | |     |     |   | | | 
- |   |     | |   | |     | |     |   |               |     | | | | |     | | | |   |   | | | | |           | |   |   |   |   | |   | |   | |   |   | |       | | |   | | |   |   | |     |     |   | | | 
- |   |     | |   | |     | | +---|-------------------|---------+ | |     | | | |   |   +---+ | |         +-|-+   |   |   |   | |   | |   | |   |   | |   +---|---------|-|-----+ | |   +---------+ | | | 
- |   |     | |   | |     | | |   |   |               |     | |   | |     | | | |   |     |   | |         | |     |   |   |   | |   | |   | |   |   | |   |   | | |   | | |   | | | |   | |     | | | | | 
- |   |     | |   | | +-------|-------------------+   +---------+ | | +-----|---|---|-+   |   | |         | |     |   |   |   | | +---------|---|---------|---|-+ |   | | |   | | | +-+ | |     | | | | | 
- |   |     | |   | | |   | | |   |   |           |         | | | | | |   | | | |   | |   |   | |         | |     |   |   |   | | | | |   | |   |   | |   |   |   |   | | |   | | |   | | |     | | | | | 
- |   |     | |   | +-|-------|---|---+           +---------|-------------|-|-|-|-----|---|---|-|---------+ +-----|-----------------------------------|-----------|---|---|---|-|-------|-+     | | | | | 
- |   |     | |   |   |   | | |   |                         | | | | | |   | | | |   | |   |   | |                 |   |   |   | | | | |   | |   |   | |   |   T   |   | | |   | | |   | |       | | | | | 
- +---|-----|-|-------|-------|---------------------------------|---|---------|-|-----|---|-----------------------|---------------|-|-----|---+ |   | |   |   |   |   | | |   | | +-+ | |   +-+ | | | | | 
-     |     | |   |   |   | | |   |                         | | | | | |   | | | |   | |   |   | |                 |   |   |   | | | | |   | | | |   | |   |   |   |   | | |   | |   | | |   | | | | | | | 
-     |     | |   |   |   | | |   |                         +-----|-|-|-----|---|---------|---|-----------------------|-------|-|-----------|-|-|----------E------|-------|---|---+ | | |   | | | | | | | 
-     |     | |   |   |   | | |   |                           | | | | |   | | | |   | |   |   | |                 |   |   |   | | | | |   | | | |   | |   |   |   |   | | |   | | | | | |   | | | | | | | 
-     |     | +-------|-----------|---------------------------|-|-|---|---|-----------|---|-----+                 |   |   |   | | | | |   | | | |   | +---|-----------|---------|---+ | |   | | | | | | | 
-     |     |     |   |   | | |   |                           | | | | |   | | | |   | |   |   |                   |   |   |   | | | | |   | | | |   |     |   |   |   | | |   | | |   | |   | | | | | | | 
-     |     |     |   |   +-|-|-------------------------------|-|-|-------|-|---|---------|---------------+       |   +---------------|---|---------|---------------------|---+ | |   | | +-+ | | | | | | 
-     |     |     |   |     | |   |                           | | | | |   | | | |   | |   |   |           |       |       |   | | | | |   | | | |   |     |   |   |   | | |     | |   | | |   | | | | | | 
-     |     |     |   |     | | +---------------------------------|-|-|---|---|-|---|-|-------|-----------|-------|-----------|---|-------------|---|-----|---|---|-----|-|-------|---+ | +-+ | | | | | | 
-     |     |     |   |     | | | |                           | | | | |   | | | |   | |   |   |           |       |       |   | | | | |   | | | |   |     |   |   |   | | |     | |     |   | | | | | | | 
-     +-----+ +-----+ |     | | | |                           | | | | |   | | | |   | |   |   |       +---|-+     |       |   | | | | +-----|-------|---------|-----------|-----+ |     +---|-+ | | | | | 
-             |   | | |     | | | |                           | | | | |   | | | |   | |   |   |       |   | |     |       |   | | | |     | | | |   |     |   |   |   | | |       |         |   | | | | | 
- +---------------------------|---+                           | | | | |   | | | |   | +-------|-------|-----------|-------|---|-----------|-|---------------------|-----|-|---+   | +-------|-+ | | | | | 
- |           |   | | |     | | |                             | | | | |   | | | |   |     |   |       |   | |     |       |   | | | |     | | | |   |     |   |   |   | | |   |   | |       | | | | | | | 
- |           |   | | |     | | |                             | | | | |   | | | |   | +---|-----------|---|-|-----|-------|---|-|-----+   | | +-|---------|---|---------|-|---|-+ | |       +-+ | | | | | 
- |           |   | | |     | | |                             | | | | |   | | | |   | |   |   |       |   | |     |       |   | | | | |   | |   |   |     |   |   |   | | |   | | | |           | | | | | 
- +-----------|-----|-------|---|---------------------------------|-------|---|-------|---------------|-----------|---+   |   | | | | |   | |   |   +-----|-+ |   |   | | |   | | | |           | | | | | 
-             |   | | |     | | |                             | | | | |   | | | |   | |   |   |       |   | |     |   |   |   | | | | |   | |   |         | | |   |   | | |   | | | |           | | | | | 
- +---------------|-|-|---------|-----------------------------|-----|-|-------|-|---|-|---|---|-------|---------------|-------|---|-|-|---------|---+     | | |   |   | | |   | | | |           | | | | | 
- |           |   | | |     | | |                             | | | | |   | | | |   | |   |   |       |   | |     |   |   |   | | | | |   | |   |   |     | | |   |   | | |   | | | |           | | | | | 
- |           |   | | |   +-|---|-+ +-------------------------------+ |   | | | |   +-----|---|-------|---------------|-------|-------|---+ |   |   | +-----|-|---|-----------|-|---------------|---+ | | 
- |           |   | | |   | | | | | |                         | | |   |   | | | |     |   |   |       |   | |     |   |   |   | | | | |     |   |   | |   | | |   |   | | |   | | | |           | |   | | 
- +-----------|-----|-|---|-|---|-|---+                       | | |   |   | | | |     |   |   |       |   | |     +---|---|---|-|-|-+ |     |   |   | | +---|---------|-|-----|-|---|---+ +-----|---+ | | 
-             |   | | |   | | | | | | |                       | | |   |   | | | |     |   |   |       |   | |         |   |   | | |   |     |   |   | | | | | |   |   | | |   | | | |   | |     | | | | | 
-             |   | | |   | | | | | | |       +---------------|---|-------|---|-|-----|---|-----------|---|-|---------|-------|-|-|---+     |   |   +---+ | | |   | +-+ | +---|-------------+   | | | | | 
-             |   | | |   | | | | | | |       |               | | |   |   | | | |     |   |   |       |   | |         |   |   | | |         |   |     |   | | |   | |   |     | | | |   | | |   | | | | | 
-             |   | | |   | | | | | | |       |               | | |   |   | | | |     |   |   |       |   | +-------+ +-------|-----------------------------|---+ +-|-----------|-------+ | |   | | | | | 
-             |   | | |   | | | | | | |       |               | | |   |   | | | |     |   |   |       |   |         |     |   | | |         |   |     |   | | | |   |   |     | | | |     | |   | | | | | 
- +---+       |   | +-----|---------|---------|---------------|-------|-----|-+ |     |   |   |       |   +---------|-----|-------|-------------|---------|-|-----------|-----|---+ |   +-|-+   | | | | | 
- |   |       |   |   |   | | | | | | |       |               | | |   |   | |   |     |   |   |       |             |     |   | | |         |   |     |   | | | |   |   |     | |   |   | |     | | | | | 
- +---|-----+ |   |   |   | | | | | | |       |               | | |   |   +-|---|-----|---|-----------|-------+     +-----|---|-----------------|-----|-------|-|---------------|-------|---+   | | | | | 
-     |     | |   |   |   | | | | | | |       |               | | |   |     |   |     |   |   |       |       |           |   | | |         |   |     |   | | | |   |   |     | |   |   | | |   | | | | | 
-     |     | |   |   +---|---|-|-----|---+   |               | | |   |     +---------|---|-------------------------------------|-|-------------------------|-|---+ |   |     | | +-------|-|-------+ | | 
-     |     | |   |       | | | | | | |   |   |               | | |   |         |     |   |   |       |       |           |   | | |         |   |     |   | | | | | |   |     | | | |   | | |   | |   | | 
-     |     | |   |       | | | | | | |   |   |               | | |   |         |   +---------|---------------|-----------|---|-------------|---------------|-----|-----------|---------+ | +-+ | |   | | 
-     |     | |   |       | | | | | | |   |   |               | | |   |         |   | |   |   |       |       |           |   | | |         |   |     |   | | | | | |   |     | | | |     |   | | |   | | 
-     +-----|-----|---------+ | | | | +---+   |               | | +-----------------------|-----------------+ |           |   | | |         |   |     |   | | | | | +---------|---+ +-----|-+ | | |   | | 
-           | |   |       |   | | | |         |               | |     |         |   | |   |   |       |     | |           |   | | |         |   |     |   | | | | |     |     | |         | | | | |   | | 
-           | +---|-------|---|-+ | | +-------|---------------|-----------------------|---|---|-------------|-|-----------+   | | |         | +-------|---|-|-+ | | +---|-----|-----------|---|---+   | | 
-           |     |       |   |   | | |       |               | |     |         |   | |   |   |       |     | |               | | |         | | |     |   | |   | | |   |     | |         | | | |     | | 
-           |     |       |   |   | | |       |               | |     |         |   | |   |   |     +-|-----------------------+ | +-----------|---------------+ | | | +-|-----|-|-------+ | | | |     | | 
-           |     |       |   |   | | |       |               | |     |         |   | |   |   |     | |     | |                 |           | | |     |   | | | | | | | |     | |       | | | | |     | | 
-           +-----|-----------|-------|-------|---------------|-------|-------------+ |   +---+     +-|-----|-------------------|-------------|-|-----|---+ +-+ | | | | |     | | +---+ +-+ | | +---+ | | 
-                 |       |   |   | | |       |               | |     |         |     |               |     | |                 |           | | |     |         | | | | |     | | |   |     | |     | | | 
-                 |       |   +---+ | |       |               | |     |         |     +---------------|-----|-----------------------------------------|---------+ | | | +-------|-----------+ |     | | | 
-                 |       |         | |       |               | |     |         |                     |     | |                 |           | | |     |           | | |       | | |   |       |     | | | 
-                 |       +-----------|-------|---------------|-|-----|-------------------------------------|-------------------|-----------+ | +-----+ +-----------------------+ |   |       |     | | | 
-                 |                 | |       |               | |     |         |                     |     | |                 |             |         |         | | |       |   |   |       |     | | | 
-                 |                 +---------------------------|-----|-------------------------------|-------|-----------------|-------------+         +-------------|-------------+ +-------|---+ | | | 
-                 |                   |       |               | |     |         |                     |     | |                 |                                 | | |       |   | |         |   | | | | 
-                 +-------------------|-----------------------|-|-----|---------------------------------------------+ +---------|---------------------------+     | | |       +---|-+         |   | | | | 
-                                     |       |               | |     |         |                     |     | |     | |         |                           |     | | |           |           |   | | | | 
-                                     +-------+               +-+     +---------+                     +-------------+ +---------|---------------------------|-----|---------------|-----------+   +---|-+ 
-                                                                                                           | |                 |                           |     | | |           |                 | |   
-                                                                     +-------------------------------------+ +-----------------+                           +-----|-------------------------------+ | |   
-                                                                     |                                                                                           | | |           |               | | |   
-                                                                     +-------------------------------------------------------------------------------------------+ +-+           +---------------+ +-+   
-                                                                                                                                                                                                         
--- a/data/advent2017/input20.txt
+++ b/data/advent2017/input20.txt
--- a/data/advent2017/input21.txt
+++ b/data/advent2017/input21.txt
@@ -1,108 +0,0 @@
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--- a/data/advent2017/input22.txt
+++ b/data/advent2017/input22.txt
@@ -1,25 +0,0 @@
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--- a/data/advent2017/input23.txt
+++ b/data/advent2017/input23.txt
@@ -1,32 +0,0 @@
-set b 99
-set c b
-jnz a 2
-jnz 1 5
-mul b 100
-sub b -100000
-set c b
-sub c -17000
-set f 1
-set d 2
-set e 2
-set g d
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-sub g b
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-set f 0
-sub e -1
-set g e
-sub g b
-jnz g -8
-sub d -1
-set g d
-sub g b
-jnz g -13
-jnz f 2
-sub h -1
-set g b
-sub g c
-jnz g 2
-jnz 1 3
-sub b -17
-jnz 1 -23
--- a/data/advent2017/input24.txt
+++ b/data/advent2017/input24.txt
@@ -1,57 +0,0 @@
-14/42
-2/3
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-0/30
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--- a/data/advent2017/input4.txt
+++ b/data/advent2017/input4.txt
@@ -1,512 +0,0 @@
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-rrvi tsjp tsjp tsjp killji
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--- a/data/advent2017/input5.txt
+++ b/data/advent2017/input5.txt
--- a/data/advent2017/input7.txt
+++ b/data/advent2017/input7.txt
--- a/data/advent2017/input8.txt
+++ b/data/advent2017/input8.txt
--- a/data/advent2017/input9.txt
+++ b/data/advent2017/input9.txt
--- a/data/latlong.htm
+++ b/data/latlong.htm
@@ -1,86 +1,6 @@
-<HTML>
-<BODY>
-<TITLE>Latitude-Longitude of US Cities (www.realestate3d.com)</TITLE>
+Latitude-Longitude of US Cities (www.realestate3d.com)

-<H2>Latitude-Longitude of US Cities (www.realestate3d.com)</H2>
-<BR> 
-
-Notes:
-<UL>
-<LI> Lat-long database valuable to the GPSer. Some gotten 
-     from the defunct http://rs560.cl.msu.edu/weather/stations/
-<LI> <A HREF="world-latlong.htm">Latitude & longitude of World cities
-     </A>
-<LI> <A HREF="uslatlongdegmin.htm">Version of US city lat-long 
-     but with degrees/minutes/seconds information</A>
-<LI> <A HREF="airport.htm">Latitude and Longitude of US Airports
-     (work in progress) </A>
-<LI> <A HREF="usmap.htm">Very primitive Java-based Map
-     (work in progress) </A>
-<LI> <A HREF="http://www.realestate3d.com"> Back to main page </A>
-</UL>
-
-<HR>
-<H3>United States</H3>
-
-<UL>
-<LI> Alabama
-<LI> Alaska
-<LI> Arizona
-<LI> Arkansas
-<LI> California
-<LI> Colorado
-<LI> Connecticut
-<LI> Delaware
-<LI> District of Columbia
-<LI> Florida
-<LI> Georgia
-<LI> Hawaii
-<LI> Idaho
-<LI> Illinois
-<LI> Indiana
-<LI> Iowa
-<LI> Kansas
-<LI> Kentucky
-<LI> Louisiana
-<LI> Maine
-<LI> Maryland
-<LI> Massachusetts
-<LI> Michigan
-<LI> Minnesota
-<LI> Mississippi
-<LI> Missouri
-<LI> Montana
-<LI> Nebraska
-<LI> Nevada
-<LI> New Hampshire
-<LI> New Jersey
-<LI> New Mexico
-<LI> New York
-<LI> North Carolina
-<LI> North Dakota
-<LI> Ohio
-<LI> Oklahoma
-<LI> Oregon
-<LI> Pennsylvania
-<LI> Rhode Island
-<LI> South Carolina
-<LI> South Dakota
-<LI> Tennessee
-<LI> Texas
-<LI> Utah
-<LI> Vermont
-<LI> Virginia
-<LI> Washington
-<LI> West Virginia
-<LI> Wisconsin
-<LI> Wyoming
-</UL>
-
-
-<PRE>
-
-ID     LAT    LON     Location
+ID     LAT    LON     Location,State

 Alabama

@@ -1458,18 +1378,3 @@ Wyoming
 [WRL]  43.97  107.97  Worland,WY
 [P60]  44.55  110.42  Yellowstone,WY

-</PRE>
-
-<HR>
-<P>
-<FONT SIZE=-1><I>
-Find out more about RealEstate3D.com,
- email <A HREF= "mailto:info@realestate3d.com">
- info@realestate3d.com</A>.<BR>
-Copyright &copy; 1996-1997 Orogo Technologies</I></FONT>
-</CENTER>
-<P>
-
-</BODY>
-</HTML>
-
--- a/ipynb/AOC/2021/input1.txt
+++ b/ipynb/AOC/2021/input1.txt
--- a/ipynb/AOC/2021/input10.txt
+++ b/ipynb/AOC/2021/input10.txt
@@ -1,102 +0,0 @@
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-{({{({({[{([[{[][]}([]())]<([]())<{}{}>>][[([])[{}<>]]{{<>[]}<<>{}>}])[<<{<><>}{{}<>}>>{<{
-{{(<<(([<{<((<<>{}>{<><>})[([]()){[][]}]){{{[][]}[()]}[({}[])]}>}[<[<{()<>}<<>()>>]<(<(){}><()[]>){[()[]](<>
-{((<(<[[[<(<<[()()]<[]<>>>)({(())[{}[]]}))<{<{{}<>}>[{[]}[()]]}<<(()<>)[[]()]>(<(){}>[<>[]]
-<<{<<{({({({({{}()})({{}<>}([]()))}(({()[]}[()<>])[<()[]><[][]>)))(<<[[][]](<><>)>(((){})([
-{<<{(<{{{{((([()[]][[]{}])[{()<>}{<>[]}]){{{<><>}}(([])[[]()])})[((<{}()>[[]<>])({[][]}{()(
-[((<{{(<({[<<[<>{}]{(){}}>([{}<>](<>()))>][[([[]()][[][]])<{[]<>}{[]}>]<((()<>))>]}((<[([][
-(<<([(({(([[([[]<>]{<>{}})(<{}[]>[{}<>])]<([[][]][[]{}])>][<<{<>{}}<<>[]>>[<<>{}>{()()}]><(<[]())({}())
-(({[{([({<<{{{{}{}}(<>())}[([]<>)(<><>)]}<{{()}}<<{}<>><(){}>>>>>}>([<((<{{}<>}[[][]]>{{<>[]}[()
-([{(<([<[<([({{}<>}<{}[]>)][{[{}()][[][]]}[(()())(<><>)]>)><([<[()<>]<(){}>>{[<><>]<{}<>>}]{
-[<<(<[({((((<(()<>)[[]{}]>[{<>[]}{()<>}])(<<()[]>(<><>)>{(()[]){[]<>}}))({[{()<>]{()<>}]{{()()}(<>{}
-([<<{({({(<{{<()<>>(<>{})}[<(){}>([]())]}[({{}<>}([]))]>([<({}{})[<>()]><(<>[]][(){}]>]<[<<>[]>({}<>)][{<>}
-[<[{[[{[[{[({([][])([][])})[([{}[]][<>[]))<[[][]]<()<>>>]][<([()[]]{[]<>})>[{({}<>)[{}()]}]]}][(
-{<<<<[[<{{[{<[[]{}][{}{}]>}(<<{}<>>(<>{})>({<>()}<()<>>))]<<<(<>())<()<>>>><[<(){}>[<><>]>>>}}[(({(<<><>>({
-<[<(<([((<[<(<{}[]>(()<>)){({}[])([]<>)}><[{[]<>}{<>()}]>][<<{<>[]}{(){}}><[()<>]{[]}>][<({}<>)>]]>)[[[((
--- a/ipynb/AOC/2021/input11.txt
+++ b/ipynb/AOC/2021/input11.txt
@@ -1,10 +0,0 @@
-1224346384
-5621128587
-6388426546
-1556247756
-1451811573
-1832388122
-2748545647
-2582877432
-3185643871
-2224876627
--- a/ipynb/AOC/2021/input12.txt
+++ b/ipynb/AOC/2021/input12.txt
@@ -1,22 +0,0 @@
-xx-xh
-vx-qc
-cu-wf
-ny-LO
-cu-DR
-start-xx
-LO-vx
-cu-LO
-xx-cu
-cu-ny
-xh-start
-qc-DR
-vx-AP
-end-LO
-ny-DR
-vx-end
-DR-xx
-start-DR
-end-ny
-ny-xx
-xh-DR
-cu-xh
--- a/ipynb/AOC/2021/input13.txt
+++ b/ipynb/AOC/2021/input13.txt
@@ -1,789 +0,0 @@
-103,224
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-1,54
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-
-fold along x=655
-fold along y=447
-fold along x=327
-fold along y=223
-fold along x=163
-fold along y=111
-fold along x=81
-fold along y=55
-fold along x=40
-fold along y=27
-fold along y=13
-fold along y=6
--- a/ipynb/AOC/2021/input14.txt
+++ b/ipynb/AOC/2021/input14.txt
@@ -1,102 +0,0 @@
-ONSVVHNCFVBHKVPCHCPV
-
-VO -> C
-VV -> S
-HK -> H
-FC -> C
-VB -> V
-NO -> H
-BN -> B
-FP -> K
-CS -> C
-HC -> S
-FS -> K
-KH -> V
-CH -> H
-BP -> K
-OF -> K
-SS -> F
-SP -> C
-PN -> O
-CK -> K
-KS -> H
-HO -> K
-FV -> F
-SN -> P
-HN -> O
-KK -> H
-KP -> O
-CN -> N
-BO -> C
-CC -> H
-PB -> F
-PV -> K
-BV -> K
-PP -> H
-KB -> F
-NC -> F
-PC -> V
-FN -> N
-NH -> B
-CF -> V
-PO -> F
-KC -> S
-VP -> P
-HH -> N
-OB -> O
-KN -> O
-PS -> N
-SF -> V
-VK -> F
-CO -> N
-KF -> B
-VC -> C
-SH -> S
-HV -> V
-FK -> O
-NV -> N
-SC -> O
-BK -> F
-BB -> K
-HF -> K
-OC -> O
-KO -> V
-OS -> P
-FF -> O
-PH -> F
-FB -> O
-NN -> C
-NK -> C
-HP -> B
-PF -> H
-PK -> C
-NP -> O
-NS -> V
-CV -> O
-VH -> C
-OP -> N
-SO -> O
-SK -> H
-SV -> O
-NF -> H
-BS -> K
-BH -> O
-VN -> S
-HB -> O
-OH -> K
-CB -> B
-BC -> S
-OV -> F
-BF -> P
-OO -> F
-HS -> H
-ON -> P
-NB -> F
-CP -> S
-SB -> V
-VF -> C
-OK -> O
-FH -> H
-KV -> S
-FO -> C
-VS -> B
--- a/ipynb/AOC/2021/input15.txt
+++ b/ipynb/AOC/2021/input15.txt
@@ -1,100 +0,0 @@
-4249856395422795894919869133487611581179923326874763428673979547991221931142777981153991369468629849
-5812974178739823463799939791688998895568796557798392761499941349143539572865883254186633218867928826
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-3547126819874919985836685298322994247998729919239243539198191229787198622919819681997288193865811343
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-3999593212698784221858498479516759888388689669747143292191959989949179914898181617598363288863529673
-5428799869888883819715648841341382669887652713779547744299157935892529712964887994849791591489974817
-4165839572399389794126943784626997119389378141921327523621283992924955951342126919499984987328936781
-5918974268979888998966997691965798988519797198467567586265175937858739845974399727152913189899879868
-9918963885878999715999979758376917418219222841971748992311279797791196671188181557777929939979528569
-8799414739499371349792499832971671794937933561999619313535199597778778121557962319178399272824346194
-8129974849671628977826913868589128781917962416787192199363828395129743811293383873718935942898484543
-3291978181898819892998112489871391737197991911931592663875989291645713999792932894185783865998135615
-9769786394195196445418935989967399989919987914119824796623857976492949168247992292316817898188699298
-9695549579996919793895372134169684298121551587731119812488691243992189122596899959128989294926989913
-9731949899392599399916551967299296355733976428888499681995484999191298894166112999923884965685649798
-1379132844766698587968789875949841895175974769991975485998386847244993897999111588556816596847214788
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--- a/ipynb/AOC/2021/input16.txt
+++ b/ipynb/AOC/2021/input16.txt
@@ -1 +0,0 @@
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
--- a/ipynb/AOC/2021/input18.txt
+++ b/ipynb/AOC/2021/input18.txt
@@ -1,100 +0,0 @@
-[[[[6,3],7],0],[[7,0],0]]
-[[[4,7],[6,[6,5]]],[4,[[6,5],[9,1]]]]
-[[[[3,7],[6,9]],[3,[4,1]]],8]
-[[[0,[2,0]],3],2]
-[[[[1,3],4],9],[[[1,8],[9,3]],[0,7]]]
-[[[5,9],1],[[[4,8],[4,8]],[[9,7],[3,6]]]]
-[[[0,7],4],[[[0,4],2],[4,2]]]
-[[5,1],[2,5]]
-[[[[4,8],[8,3]],[6,[2,3]]],[[6,0],[1,3]]]
-[[[[1,7],[8,1]],[2,[3,4]]],[[7,[8,7]],[[8,6],5]]]
-[[9,[[8,9],[0,6]]],[[[8,4],5],[0,[1,7]]]]
-[[[[9,8],[6,9]],[[3,5],[6,2]]],[[[7,8],5],8]]
-[[[[7,1],8],[0,2]],[3,5]]
-[[[1,9],3],[8,[8,[7,8]]]]
-[[[9,[8,5]],[1,[9,0]]],5]
-[9,[[[1,1],8],[[3,5],9]]]
-[[[1,[7,8]],2],[8,0]]
-[7,[8,[[6,1],[7,9]]]]
-[[7,[[4,7],7]],[[8,[5,2]],2]]
-[[[[1,7],[9,0]],3],[8,[4,[2,0]]]]
-[[4,3],[[9,[7,7]],7]]
-[[[[9,5],3],[[8,5],5]],5]
-[[[[4,9],2],[[5,6],[9,0]]],[[2,[2,2]],1]]
-[[[[7,9],[6,0]],[1,[5,8]]],[8,8]]
-[[[[0,5],2],[4,[5,7]]],[8,[[8,1],[6,7]]]]
-[9,[7,[[3,7],[6,4]]]]
-[[[[5,3],[5,2]],[[5,0],0]],[[[4,6],[6,4]],[8,8]]]
-[1,[[8,0],0]]
-[[3,[7,9]],[[[1,2],[1,6]],[[9,2],[2,8]]]]
-[[[2,8],[3,[8,3]]],[3,[[9,8],[5,6]]]]
-[[[[2,0],3],[5,1]],[[[2,9],7],[[0,4],[1,4]]]]
-[[3,[[0,0],[9,0]]],[[6,[0,5]],[[5,4],[5,2]]]]
-[[8,[[9,4],[6,8]]],[3,[[8,1],4]]]
-[[[[4,1],[5,1]],[4,[9,1]]],4]
-[2,[[[0,5],[8,7]],[[6,1],[1,0]]]]
-[7,[8,8]]
-[[[[7,3],5],9],[[[5,9],[3,5]],[[9,4],8]]]
-[[[[4,2],[6,1]],[[6,6],7]],[2,2]]
-[[[1,1],4],[[[4,8],0],[[6,7],7]]]
-[[[[5,9],[0,1]],[9,7]],2]
-[[[[6,4],[5,5]],[[2,8],0]],9]
-[[7,[4,9]],[5,[[0,2],2]]]
-[[2,[9,9]],[[8,5],8]]
-[3,[8,[6,[2,8]]]]
-[[[0,1],[[8,5],[8,9]]],0]
-[[[[1,8],[1,4]],8],[[6,8],[8,[5,7]]]]
-[[[[7,1],[2,0]],[2,4]],[[[3,7],[2,2]],1]]
-[[[[0,3],[8,0]],[2,6]],[[6,2],[0,4]]]
-[[[7,1],[[6,8],[3,2]]],[[8,[3,2]],[1,[0,1]]]]
-[[[8,[5,7]],4],[[1,[1,9]],[[4,9],[4,2]]]]
-[[[8,5],3],[[9,8],[[4,4],[7,2]]]]
-[[5,[5,[8,7]]],[[8,0],[[6,3],6]]]
-[[[8,4],[[5,2],[7,0]]],[[[9,7],[8,9]],7]]
-[[5,[3,[3,0]]],5]
-[[[[0,1],[0,0]],[4,[3,7]]],[8,0]]
-[5,[[[8,3],8],5]]
-[[[5,[0,6]],4],[4,[3,[6,3]]]]
-[[[[4,1],[3,5]],[[5,0],7]],[[[7,9],[8,8]],[[8,0],[5,8]]]]
-[[[7,[6,6]],[[6,2],2]],8]
-[1,[4,[[2,9],[3,8]]]]
-[[[9,[5,4]],[[2,5],7]],[[4,2],9]]
-[[9,1],[[0,7],[[4,1],[5,6]]]]
-[[[7,[8,6]],[[4,5],1]],[[[2,1],[6,3]],[4,[0,3]]]]
-[[0,[2,[7,5]]],[[[5,0],5],3]]
-[[[0,[4,1]],7],[[[3,7],5],[[5,9],7]]]
-[[4,[[1,3],1]],[[9,6],[[6,2],3]]]
-[3,[[[8,5],6],4]]
-[[2,7],[[[3,9],3],[[2,1],2]]]
-[[4,[5,[9,9]]],[[[3,0],[4,1]],[[6,4],9]]]
-[[[7,9],[[5,7],[2,1]]],[[[1,4],6],[3,3]]]
-[[[[4,0],3],[3,[6,3]]],[[[6,2],4],5]]
-[[9,[[2,4],3]],[[9,[1,0]],[[5,8],[7,1]]]]
-[8,[1,5]]
-[[[5,5],3],[[[8,9],3],4]]
-[[1,[[8,8],[7,4]]],[[[9,1],[9,6]],[7,8]]]
-[[[7,2],[[0,1],5]],7]
-[[9,3],[7,[1,[9,2]]]]
-[[[[8,2],[8,0]],[[7,1],6]],[0,[[9,4],1]]]
-[[[[1,3],2],[6,[0,0]]],[[[7,8],[4,3]],[[9,4],1]]]
-[[[[2,1],[7,1]],[[5,4],[9,2]]],[[3,0],0]]
-[[[8,6],[[2,1],[9,1]]],[[3,[1,8]],[3,3]]]
-[[[[6,2],[3,6]],3],[5,9]]
-[[[[7,6],7],[[4,2],1]],[[0,4],[[9,8],6]]]
-[[8,[[7,6],[8,5]]],[[2,7],[[7,0],[0,0]]]]
-[[[0,[0,0]],4],[[[6,1],8],[[5,9],[6,5]]]]
-[[[8,[9,9]],9],[[3,[2,8]],[[9,5],[2,9]]]]
-[[[7,5],[[0,7],[3,3]]],[[8,[1,5]],9]]
-[[[6,[9,0]],[[0,7],[7,5]]],[[[4,9],0],[[2,3],7]]]
-[[8,[8,[0,1]]],[[2,6],7]]
-[1,[[9,3],1]]
-[[[[6,2],[0,8]],5],[[[9,4],7],[[6,3],6]]]
-[[[8,[4,2]],[4,9]],[7,[[9,0],8]]]
-[1,[[7,3],2]]
-[[[3,[5,9]],[7,[0,4]]],[[[3,0],7],4]]
-[[[1,[8,3]],[4,[2,3]]],[[3,[1,6]],[[1,6],5]]]
-[[[[1,3],2],9],[5,[4,9]]]
-[[[7,[0,6]],2],[[[1,5],[0,7]],[4,9]]]
-[[[5,0],[0,[1,1]]],5]
-[[[[9,3],[0,0]],[[1,3],[7,3]]],[[5,7],[[6,6],[6,5]]]]
-[[[8,0],[9,0]],[[[4,7],4],[5,[2,6]]]]
--- a/ipynb/AOC/2021/input19.txt
+++ b/ipynb/AOC/2021/input19.txt
@@ -1,998 +0,0 @@
--- scanner 0 ---
-812,-728,-591
-259,678,-532
-735,-470,492
-808,-734,-657
-518,-635,-807
-487,402,391
-722,545,-708
-529,-401,536
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-639,-447,471
-687,564,-674
-896,574,424
-449,386,511
-652,-513,-789
-819,586,254
-836,538,409
-
--- scanner 1 ---
-670,487,-847
-432,537,-395
-521,374,359
-666,441,313
-740,701,863
-432,701,-383
-721,-698,-623
-818,605,871
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-375,-596,-489
-433,-537,-427
-745,-562,-653
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-745,-802,-648
-454,633,-472
-403,-500,596
-693,557,-710
-669,547,-874
-462,-478,508
-529,539,346
-
--- scanner 2 ---
-566,-825,-742
-662,-843,343
-640,-448,544
-593,-867,362
-570,753,323
-17,-6,-139
-757,831,503
-525,605,-563
-549,694,319
-591,549,-484
-763,-859,-617
-471,590,-584
-673,593,-553
-701,614,-530
-458,-744,-723
-511,574,303
-658,-773,306
-554,-488,396
-584,496,-521
-646,-875,-525
-522,-801,-721
-834,661,491
-620,-847,-523
-774,676,455
-535,-509,628
-
--- scanner 3 ---
-407,-676,-904
-734,-560,435
-693,-416,552
-399,882,-572
-548,-513,-819
-11,183,-89
-519,898,-534
-432,710,811
-700,739,637
-703,-449,648
-496,668,-411
-469,-604,-856
-597,-462,-696
-524,606,-344
-738,-466,683
-386,-489,-727
-690,-596,610
-407,-650,-695
-262,698,734
-151,184,58
-714,710,793
-666,720,602
-340,878,-593
-655,577,-415
-417,746,751
-173,51,-105
-711,-649,610
-
--- scanner 4 ---
-685,686,-551
-793,-850,-533
-506,696,563
-527,750,548
-601,581,-490
-402,-590,371
-841,-861,-490
-800,-826,791
-830,-666,749
-892,-712,744
-418,-589,365
-466,601,-889
-489,-491,464
-679,-648,-544
-24,2,-135
-496,548,551
-765,-778,-494
-745,-758,-567
-453,667,-530
-548,387,619
-512,447,634
-683,-770,-496
-560,464,789
-468,575,-917
-560,458,-901
-
--- scanner 5 ---
-732,615,-695
-377,610,685
-495,-902,-457
-505,433,-576
-759,628,545
-517,-805,-466
-580,496,-693
-665,747,-728
-857,-888,591
-177,-41,-4
-459,-809,-623
-337,660,590
-485,-555,-387
-849,-900,646
-644,-838,551
-614,-772,389
-785,-859,453
-685,-519,-419
-613,-405,-367
-877,738,569
-460,592,573
-512,326,-661
-726,794,-640
-864,609,696
-542,-810,573
-
--- scanner 6 ---
-368,683,-372
-857,-729,708
-457,760,741
-3,99,-25
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-
--- scanner 7 ---
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-
--- scanner 8 ---
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-
--- scanner 9 ---
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-
--- scanner 10 ---
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-
--- scanner 11 ---
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-
--- scanner 12 ---
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-
--- scanner 13 ---
-683,-433,912
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-
--- scanner 14 ---
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-
--- scanner 15 ---
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-
--- scanner 16 ---
-431,706,-288
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-
--- scanner 17 ---
-613,752,-489
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-
--- scanner 18 ---
-652,609,-485
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-
--- scanner 19 ---
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-
--- scanner 20 ---
-468,632,619
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-
--- scanner 21 ---
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-
--- scanner 22 ---
-308,534,801
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-
--- scanner 23 ---
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-
--- scanner 24 ---
-369,-585,-682
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-
--- scanner 25 ---
-634,465,-978
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--- scanner 26 ---
-634,-845,-463
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-
--- scanner 27 ---
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-
--- scanner 28 ---
-632,274,-680
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-
--- scanner 29 ---
-650,-462,893
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-
--- scanner 30 ---
-413,599,524
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-
--- scanner 31 ---
-600,-425,411
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-
--- scanner 32 ---
-375,548,-471
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-
--- scanner 33 ---
-772,-465,-547
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-752,565,511
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-
--- scanner 34 ---
-528,907,-644
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-
--- scanner 35 ---
-663,869,837
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--- a/ipynb/AOC/2021/input19b.txt
+++ b/ipynb/AOC/2021/input19b.txt
@@ -1,136 +0,0 @@
--- scanner 0 ---
-404,-588,-901
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-
--- scanner 1 ---
-686,422,578
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-
--- scanner 2 ---
-649,640,665
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-644,584,-595
-588,-843,648
-30,6,44
-674,560,763
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-640,759,510
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-673,-379,-804
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-
--- scanner 3 ---
-589,542,597
-605,-692,669
-500,565,-823
-660,373,557
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-614,-800,639
-595,780,-596
-
--- scanner 4 ---
-727,592,562
-293,-554,779
-441,611,-461
-714,465,-776
-743,427,-804
-660,-479,-426
-832,-632,460
-927,-485,-438
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-872,-547,-609
-833,512,582
-807,604,487
-839,-516,451
-891,-625,532
-652,-548,-490
-30,-46,-14
--- a/ipynb/AOC/2021/input2.txt
+++ b/ipynb/AOC/2021/input2.txt
--- a/ipynb/AOC/2021/input20.txt
+++ b/ipynb/AOC/2021/input20.txt
@@ -1,102 +0,0 @@
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-off x=31742..58033,y=4590..25947,z=-76500..-60789
-on x=-35852..-9119,y=-76205..-45203,z=-47687..-35294
-off x=23217..41029,y=-3234..15105,z=68782..74072
-on x=52058..89126,y=-50422..-30857,z=-8709..10826
-off x=-51490..-42068,y=11308..31021,z=-73967..-44035
-on x=-90713..-53955,y=3847..17459,z=-42841..-13064
-off x=69346..89076,y=16046..26148,z=-31148..2070
-on x=-91236..-71702,y=-9654..12433,z=1477..13198
-on x=1331..28078,y=-69702..-40355,z=-64692..-43979
-off x=50574..70337,y=-15383..-6575,z=41848..64343
-on x=24149..54714,y=-29135..-3260,z=-82604..-46272
-on x=61674..92804,y=-37425..-18188,z=-10269..9583
-on x=29278..46289,y=59081..63620,z=29317..53729
-off x=22296..41176,y=66892..90309,z=-27453..7399
-off x=53038..58101,y=-58443..-50874,z=-10298..19080
-off x=30371..49011,y=-39391..-24388,z=-68271..-62633
-on x=-72143..-61407,y=32665..57053,z=-32273..464
-off x=-47814..-25131,y=46029..74913,z=36938..62900
--- a/ipynb/AOC/2021/input23.txt
+++ b/ipynb/AOC/2021/input23.txt
@@ -1,5 +0,0 @@
-#############
-#...........#
-###D#C#A#B###
-  #D#C#B#A#
-  #########
--- a/ipynb/AOC/2021/input24.txt
+++ b/ipynb/AOC/2021/input24.txt
@@ -1,252 +0,0 @@
-inp w
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-inp w
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-inp w
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-mod x 26
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-inp w
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-inp w
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-inp w
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-mul y 0
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-inp w
-mul x 0
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-inp w
-mul x 0
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-mod x 26
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-add x -5
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-mul y 0
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-mul z y
-mul y 0
-add y w
-add y 12
-mul y x
-add z y
-inp w
-mul x 0
-add x z
-mod x 26
-div z 26
-add x -16
-eql x w
-eql x 0
-mul y 0
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-mul y x
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-mul z y
-mul y 0
-add y w
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-mul y x
-add z y
-inp w
-mul x 0
-add x z
-mod x 26
-div z 26
-add x -7
-eql x w
-eql x 0
-mul y 0
-add y 25
-mul y x
-add y 1
-mul z y
-mul y 0
-add y w
-add y 11
-mul y x
-add z y
-inp w
-mul x 0
-add x z
-mod x 26
-div z 26
-add x -11
-eql x w
-eql x 0
-mul y 0
-add y 25
-mul y x
-add y 1
-mul z y
-mul y 0
-add y w
-add y 15
-mul y x
-add z y
--- a/ipynb/AOC/2021/input25.txt
+++ b/ipynb/AOC/2021/input25.txt
@@ -1,137 +0,0 @@
->.v>vv>>..vv>..v.v......>v>>>v.>v.>..v...v......v>....>.vv..>>..>>vv.>..vv>>.>...v...v.....>.vv..>v...>.>>...v>.>>..vv....>>.v.v>v>v>vvv.vv
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-..>.....>v>.>vv.v..>>>.>...v>.>.v.>.>vvv....v...v..>.......>v>vvvv>>vv>>>.v>v....vv..v..>>.v>>v.>..vv..v.>..>...>....>.>.>.>..vvvv>.>>..>>.
-....>.>vv.>.>>.>..vvv.>vv......>...v.v..v..v>...v.v>>..>...vv..>>.>..>v>..>..>...vv.v..v>..v..vvvv..>.v>>.>..>>v.>v>v....>..v..v..>..v>...v
-vvvvv.v.v.....v>.vvv.............>vv.vv>v.v..>>v.>..>v>v...>v>v.>vv.>.>......v>vv>.>.>v..v>>>.v>v>.>.v>>.>>.vv.v>>>vvv..>>>v...>.>..>.>.v.v
-.v..v>..>.>v.vv.>v>v>.v.v>.>v>>v..>.....v..>>...>v>..>.>>.v>v>v.>>>.>...v>>>.v>>....>v...>.>.>.v>>v.v..>.>v..v>.vv.v..v>.>..v....v>.......v
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-.>.v>>v>.>.......v.v>v>v..v...v..>>>v.vv.v.vv...v....v>.>>.v..>>>v.>>..vvv.v...v.>vv..>v.v...>..>>vvvv........>v.>....>.v.>...vv..>>....>.>
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-.>v....>..>v>>.>>>...vv>.v.vv..v....>>>..v.>>>>v.v.>..vv.v.>v.v....>.>vvv.v..v...>vvv>.v.>vv.v..>>>.v>.>...>v.>..v>.vv...>....>>.>v>.vvv>.v
-..>.....>v.v..v>.vv...>..vv..v.v>.>.vv.....>.vv..>v>v..v.v.v....>...v.vv.....v.>...>>.>..vv.v.vvv....>v..vv.>....vvvv.v..>v.>...v>>..>>.>..
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--- a/ipynb/AOC/2021/input3.txt
+++ b/ipynb/AOC/2021/input3.txt
--- a/ipynb/AOC/2021/input4.txt
+++ b/ipynb/AOC/2021/input4.txt
@@ -1,601 +0,0 @@
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-49 79 90 21 85
-39 10 78  1 47
-66 70 86  9 74
-31 62 50 58 25
-19 73 28  2 55
-
-78 29 34 87 77
- 2 71  8 51 98
-62 84 89 27 85
-90 94 44 30 93
-28 68 31 20 75
-
-73 68 76 51 87
-91 65  9 29 15
-42 35 74 72 25
-52 45 31 53 97
-23 19 54 83 41
-
-90 10 58 40 89
-76 71 85 56 65
-25 80 19  0 28
-60  7 47 98 67
-63 81 37 91 35
-
-78 56 29 50 32
-79 92 38 49 45
-70 80 76 86 64
-53 22 20 66 60
-77 25 84 93 88
-
-83 64 56 13 88
-63 25 65  1 45
- 7 61 57 37 75
-58 96 84 91 28
-43 69 32 74 99
-
-39 54 73 61 46
-60 44 71 33 89
- 4 67 10  2 96
-58  8 20 68 93
-56 17 38 94 34
-
-89 59 36 31 94
-91 34 83 55 54
-99 40 30 56 11
-49 33 42 39 70
- 2 64 17 25 87
-
-25 97  2 45 93
-88 92 78 32 69
-67  6 47 37 96
-51 40 82 57 99
-30 38 29 55 85
-
-65  7 29 39 58
-28 27 20  0 84
-32 31 44  4 57
-17 79 92 33 41
-94 35 22 74  5
-
-62 77 48 50 97
-39 91 42 73 88
-23  3  6 17 15
-13 37 25 65 16
-94 12 54  0 14
-
-45 55  3  2 40
-49 58 43  5 72
-60 46 33 85 79
-61 34 27 92 35
-54 51 65 23 17
-
- 4 70 20 80 94
- 1 74 53 83 10
-91 16 46 63 75
-39 90 81 27 17
-38 19 62 44 92
-
-16 25 99 27 66
-80  3 38 10 11
-52 98 83  7 76
-70 29 79 96 42
-41 74 68 36 82
-
-50 73 72 40 93
-60 96 52 74 63
-51 30 87 41 82
-44  4 59  0  1
-43 62 10 13 58
-
-92 98 20 94 95
-37 57 74 47 38
-36 89 97 14 59
-81 46 66 55 35
-82 62 42 12 28
-
- 5 81  8 23 36
-61  7 94 95 74
-91 71  6 32 65
-79 30 67 49 37
- 9 44 84 58 82
-
-19 56 13 80 65
-79 59 57 10 44
-78 97 49 26 70
-72 95 18 14 96
- 3 99 33 32 41
-
- 5 42 18 14 57
-19 62  6 92 96
- 2 58 75 49  9
-24 48 55 60 67
-91 37 27 34 59
-
-65 11 18 78  6
-30 76 61 27 15
-49 25 59 17 29
-20 24 99 37 40
-93 90 68 71 22
-
-34 15 77 98 70
-58 21 54  8 60
-49 32 62 56 87
-30 17 83 85 23
-80 48 10 26 24
-
-39 90 21  4 71
-53 55 24 27 28
- 5 87 54 66 20
-32 18 10 77 59
-99 80 91 13 34
-
- 8 80 50 63 42
- 9 40 51 83 93
-91 89 32 74 41
-28 65 29 33 55
-59 31 99 36 19
-
- 4 96 28 51 14
-84 39 98 59 15
-87 45 65 83 78
- 2  8 49  0 36
- 7  9 64 58 74
-
-23 10 70 59 36
-55 84 18 40 50
-47 28 58 72  8
-24 60 34 44 79
-77 73 89 95 92
-
-83 77 61 81 36
-50 19 31 69 35
-15 39 75 18 43
-98 51 25 54 63
- 9 74 91  6 88
-
-40 81 16 82 25
-66 57 98 14  6
-92 71 27 39 87
-17 12 20 23 47
-83 22  4 90 73
-
-92 22 17 80 55
-20 35 34 62 88
-23 47 56 14  8
-45 52  2 36 67
-28 69  5 93 44
-
-99 88 14 47  2
-22 51 15 57 68
-33 13 71 80  9
-63 69  7 90 74
-17 87 36 46 16
-
-67 27  7 65 73
-13 87 16 99  6
-33 30 96 41 23
- 0 10  9 98 72
-53 52 81 18 24
-
-49 89 44  9 35
-71 67 21 32  7
-55 50 37 34 64
-31  8  1 17 73
-48 27 81 39  0
-
-81 40 50 48 47
-33 14 76 56 25
-62 93 57 78 85
-51 44  2 43 16
- 0 74 27 20 22
-
-96 30 47 33 57
-91 70 31 45 84
-20 13  2 36 28
- 6 53 55 81  7
-72 27 44 12 39
-
-27 94 70 54 72
-62 39 46 89 29
-43 12 86 35  2
-66 34 55 82 78
-57  0 32 21 79
-
-46 18 29 82  5
- 7 52 10 12 45
-23 20 94 43 32
-58 40 83 37 75
-90 55 27 61 99
-
-17 60 69 63 39
-41 66 23 56 79
-57 51 50 28 85
-90 20 16 34 81
-74 64 46  4 62
-
-29 55 38 24 11
-44 62 49 32 22
-81 23 26  0 86
-28 25 33  1 88
-58 14 97 30 27
-
-20 69  1 86 77
-89 92 15 54 93
-94 74 51  5 97
-68  8 38 21 46
-79 87 40 34 62
-
-81 49  5 52 77
- 3 56 12 60 79
-17  7 22 20 34
-19 30 18 57 72
-97 70 78 69 64
-
- 2 93 28 54 49
-62 81 89  6 67
-32  4 42 25 14
-24 91 40 77 50
-41  5 47 12 95
-
-63 98 66 51 39
-25 46 80 23 18
-90 70 24 47 14
-15 91 61 85 87
-82 92 58 55 40
-
-94 83 68 23 34
-26 35 55 84 97
-66 19 85 77 72
-73 89 75 42 87
-22 40 20 93 67
-
-53 70 42 54 65
-72 24 32 89 83
-23 33  5 79 60
- 0 61 52 96 49
-30 17 94  3 40
-
-64 65  6 86 53
-10 56  2 88 73
-11 62 37 84  1
-71 42 76 51 77
-41 83 19 14  4
-
-11 26 59 12 66
-19 53 52  3 74
-65 18 10 40 99
-88 61 69 64 92
-24 23  9 77 33
-
-95 81 27 80 63
-52 92 18 90 77
-34 98 88 41 25
-36 49 29 71 61
- 6 12 78 15 40
-
-15  1 48 41  8
- 5 74 61 11 78
-39 59 63 42 17
-23 13 22 88 47
- 4 95 33 44  6
-
-81 16 38 97 74
-37 58  2 17 10
-99 44  1 20  6
-85 68  0 98 95
-14 24 93 45 80
-
-83 39 90 48 38
-96 85 84  4 21
-55  5 91 33 43
-49 37 79 68 20
-93 69 54 71 99
-
-88 69  1 65 20
-47 15 57 54 25
-44 36 60 99 29
-74 46 75 82 40
-98 26 77 43 63
-
-34 48 25 64 32
-66  1 71 47 99
-21 82 41 14 57
- 3 69 28  5 79
-27 54 87 44 23
-
-85 52 77 49 87
-92 19  5 37 20
-64 69 13 95 55
-70 56 86 75 30
-73  6 88  9 54
-
-29 82 35 23 96
-11 65 56 86 36
-34 83 90 74  2
-19 46 61 24 45
-63  5 94 48 50
-
-15 33 21 76 79
-28 56 63 38 65
-44 41 10 62 60
-23 24 16 88 43
-30 40 19  7  9
-
-55 12 27 80 67
-42 90 63 10 98
-74 50 65 18 17
-79  2 96 25 93
-24 82 59 56 43
-
- 7 42 31 49 52
-59 50  3 28 58
-11 55 75 91 60
-65 76  1 38 23
-86 19 64 22 80
-
-73 81 41 54 92
-70 39 66 38 27
-89 15 80 22 87
-36 12 48 93 26
-44 85 19 60 49
-
- 8 28 76 19  5
-86 34 50 98 29
-80 91 46 90 40
-33 58 21 22 49
-64 41 87 92 72
-
-16 61 73 82 25
- 8  1 53 10 71
-47 99 90 93 39
-87 74 41 52 69
-17 49 91 30 33
--- a/ipynb/AOC/2021/input5.txt
+++ b/ipynb/AOC/2021/input5.txt
@@ -1,500 +0,0 @@
-409,872 -> 409,963
-149,412 -> 281,280
-435,281 -> 435,362
-52,208 -> 969,208
-427,265 -> 884,265
-779,741 -> 779,738
-949,41 -> 13,977
-145,690 -> 145,180
-513,665 -> 513,869
-405,174 -> 405,612
-943,504 -> 93,504
-230,808 -> 570,468
-69,278 -> 69,30
-35,336 -> 911,336
-812,83 -> 812,197
-981,962 -> 29,10
-863,709 -> 371,709
-301,963 -> 955,309
-187,101 -> 187,227
-85,762 -> 85,301
-587,362 -> 652,427
-73,359 -> 73,139
-124,449 -> 124,380
-432,659 -> 30,659
-96,728 -> 756,68
-957,215 -> 957,868
-64,779 -> 64,692
-315,403 -> 854,942
-890,663 -> 213,663
-606,864 -> 264,864
-81,446 -> 81,890
-171,463 -> 395,463
-766,639 -> 912,785
-10,163 -> 10,835
-65,906 -> 258,906
-975,364 -> 408,364
-595,728 -> 910,728
-29,274 -> 705,274
-42,965 -> 50,965
-815,588 -> 959,732
-293,344 -> 484,344
-579,220 -> 579,949
-832,951 -> 72,951
-56,296 -> 56,730
-318,589 -> 181,589
-32,33 -> 983,984
-355,794 -> 448,887
-362,25 -> 696,25
-374,207 -> 144,207
-851,66 -> 851,709
-404,98 -> 414,98
-274,601 -> 787,601
-898,100 -> 223,775
-883,638 -> 73,638
-12,989 -> 942,59
-30,590 -> 146,474
-46,711 -> 693,64
-295,925 -> 295,854
-744,89 -> 773,89
-954,55 -> 33,976
-647,361 -> 130,361
-985,410 -> 606,410
-377,884 -> 297,884
-215,961 -> 981,195
-176,422 -> 176,759
-522,216 -> 151,216
-372,149 -> 115,406
-80,92 -> 218,230
-350,754 -> 967,754
-481,944 -> 711,714
-176,795 -> 845,126
-944,568 -> 944,21
-86,302 -> 628,302
-312,691 -> 312,640
-662,874 -> 168,874
-336,98 -> 336,842
-289,69 -> 811,591
-824,777 -> 256,209
-374,311 -> 374,905
-663,254 -> 137,780
-183,248 -> 780,845
-860,32 -> 157,32
-955,794 -> 804,794
-461,179 -> 96,544
-780,264 -> 475,264
-205,583 -> 205,645
-707,364 -> 470,364
-735,364 -> 551,180
-127,479 -> 680,479
-305,162 -> 305,85
-348,349 -> 348,806
-892,94 -> 88,898
-340,593 -> 416,593
-872,175 -> 93,954
-389,750 -> 174,750
-372,661 -> 949,661
-121,256 -> 352,487
-636,204 -> 99,741
-388,328 -> 400,316
-664,333 -> 549,333
-89,92 -> 884,887
-184,373 -> 552,741
-464,949 -> 823,590
-69,713 -> 767,713
-302,33 -> 302,160
-502,110 -> 83,529
-431,331 -> 210,331
-236,588 -> 931,588
-931,315 -> 406,315
-154,272 -> 49,272
-723,159 -> 368,159
-397,615 -> 402,620
-431,796 -> 134,499
-378,837 -> 378,670
-582,28 -> 582,789
-374,967 -> 445,896
-723,874 -> 30,874
-847,767 -> 920,767
-761,101 -> 761,338
-711,833 -> 419,833
-953,335 -> 953,479
-840,614 -> 410,614
-483,485 -> 757,759
-694,472 -> 694,930
-508,275 -> 754,275
-815,419 -> 700,534
-399,843 -> 399,804
-909,771 -> 95,771
-796,893 -> 332,429
-833,488 -> 833,899
-478,240 -> 478,718
-343,720 -> 343,285
-320,204 -> 320,213
-410,794 -> 240,964
-848,227 -> 214,227
-49,919 -> 880,88
-273,648 -> 187,648
-746,313 -> 746,590
-715,527 -> 307,935
-630,771 -> 630,815
-780,670 -> 710,670
-811,789 -> 964,789
-397,267 -> 397,769
-496,510 -> 744,758
-314,62 -> 89,62
-217,417 -> 217,865
-680,862 -> 680,739
-150,902 -> 816,236
-504,120 -> 45,120
-79,43 -> 967,931
-584,197 -> 532,197
-893,717 -> 489,313
-609,759 -> 684,684
-146,24 -> 386,24
-704,645 -> 866,645
-24,329 -> 44,309
-417,741 -> 176,982
-12,48 -> 12,138
-522,359 -> 937,359
-165,269 -> 55,159
-207,537 -> 610,940
-364,213 -> 323,213
-144,750 -> 144,26
-622,840 -> 488,706
-909,201 -> 794,201
-959,185 -> 579,565
-848,720 -> 848,322
-81,159 -> 81,652
-98,174 -> 841,917
-364,437 -> 364,568
-884,90 -> 973,90
-962,931 -> 60,29
-915,967 -> 681,733
-853,859 -> 853,809
-630,362 -> 630,161
-848,455 -> 672,279
-50,212 -> 419,212
-415,719 -> 413,719
-818,274 -> 813,274
-206,779 -> 206,197
-251,729 -> 715,729
-981,873 -> 452,344
-945,708 -> 704,467
-875,38 -> 76,837
-163,799 -> 435,799
-300,821 -> 913,208
-978,15 -> 39,954
-724,167 -> 191,167
-342,600 -> 342,405
-190,17 -> 945,772
-844,659 -> 176,659
-591,135 -> 50,135
-252,353 -> 252,527
-389,906 -> 389,861
-504,387 -> 39,852
-108,567 -> 108,148
-60,600 -> 60,658
-903,968 -> 115,180
-633,34 -> 325,342
-186,536 -> 708,14
-588,276 -> 74,790
-596,837 -> 596,909
-619,278 -> 737,160
-368,953 -> 245,830
-112,496 -> 112,801
-181,583 -> 243,521
-522,293 -> 616,293
-389,166 -> 418,166
-792,940 -> 622,940
-159,953 -> 769,343
-857,231 -> 857,553
-339,176 -> 339,463
-35,412 -> 35,883
-478,694 -> 478,325
-741,257 -> 741,785
-154,130 -> 810,786
-869,81 -> 869,80
-118,815 -> 918,815
-941,954 -> 941,940
-987,51 -> 56,982
-243,571 -> 243,385
-36,138 -> 36,24
-28,971 -> 975,24
-945,842 -> 759,842
-474,470 -> 784,470
-918,520 -> 512,114
-836,606 -> 668,774
-557,918 -> 422,918
-925,889 -> 875,939
-14,317 -> 467,770
-638,312 -> 440,312
-139,353 -> 212,353
-690,339 -> 622,339
-904,863 -> 307,266
-302,939 -> 148,939
-493,409 -> 93,809
-185,871 -> 546,871
-25,355 -> 889,355
-355,832 -> 273,832
-918,56 -> 38,936
-950,189 -> 81,189
-311,469 -> 289,469
-567,269 -> 963,269
-958,306 -> 958,852
-847,753 -> 803,753
-359,983 -> 332,956
-885,128 -> 164,128
-479,841 -> 350,841
-850,280 -> 163,967
-784,822 -> 555,822
-607,29 -> 245,391
-293,280 -> 293,685
-273,716 -> 273,327
-974,155 -> 974,415
-419,34 -> 419,898
-543,344 -> 543,126
-137,163 -> 737,163
-252,158 -> 899,805
-581,36 -> 857,36
-588,728 -> 588,511
-320,303 -> 706,303
-180,914 -> 939,155
-547,676 -> 547,535
-974,961 -> 97,84
-179,757 -> 789,757
-450,706 -> 450,452
-595,598 -> 526,598
-184,42 -> 184,43
-221,963 -> 738,963
-79,976 -> 79,109
-638,793 -> 638,986
-98,81 -> 534,517
-700,334 -> 700,201
-533,265 -> 76,265
-131,839 -> 728,839
-120,78 -> 815,773
-455,825 -> 165,825
-521,258 -> 978,258
-425,931 -> 966,931
-358,754 -> 506,902
-126,228 -> 851,228
-393,114 -> 29,114
-58,615 -> 425,615
-384,607 -> 581,804
-140,939 -> 140,673
-372,400 -> 795,400
-115,165 -> 84,165
-788,275 -> 544,275
-126,329 -> 725,329
-182,541 -> 99,541
-410,709 -> 974,709
-681,202 -> 687,208
-495,832 -> 733,594
-259,781 -> 444,596
-49,442 -> 49,243
-988,986 -> 18,16
-224,624 -> 224,32
-755,41 -> 185,611
-512,168 -> 492,168
-55,891 -> 762,184
-162,845 -> 162,19
-976,771 -> 449,244
-398,789 -> 398,336
-796,28 -> 796,326
-589,735 -> 589,668
-382,303 -> 10,675
-650,968 -> 140,458
-784,265 -> 245,804
-961,980 -> 346,365
-685,360 -> 567,360
-60,847 -> 749,158
-828,80 -> 46,862
-96,760 -> 96,340
-22,372 -> 878,372
-26,973 -> 928,71
-86,697 -> 86,790
-684,896 -> 684,638
-644,370 -> 644,177
-915,854 -> 134,73
-453,678 -> 453,394
-716,594 -> 160,38
-757,62 -> 518,301
-977,928 -> 977,53
-705,858 -> 328,858
-352,527 -> 759,120
-221,365 -> 677,821
-237,815 -> 829,815
-756,615 -> 756,129
-681,948 -> 28,295
-712,731 -> 120,731
-141,292 -> 141,338
-874,781 -> 874,414
-197,892 -> 972,117
-673,779 -> 113,219
-469,240 -> 887,240
-546,367 -> 270,367
-115,356 -> 264,505
-587,969 -> 942,969
-697,332 -> 432,597
-251,742 -> 251,402
-655,258 -> 875,38
-806,801 -> 438,801
-776,525 -> 296,45
-437,137 -> 437,507
-310,870 -> 875,305
-92,877 -> 949,20
-96,695 -> 269,868
-917,601 -> 917,347
-598,172 -> 91,679
-407,743 -> 818,743
-74,932 -> 720,286
-574,967 -> 747,794
-989,982 -> 22,15
-128,514 -> 590,976
-46,86 -> 851,891
-976,914 -> 87,25
-948,659 -> 948,40
-442,504 -> 442,398
-310,824 -> 509,625
-946,338 -> 433,851
-555,241 -> 531,265
-336,13 -> 336,48
-688,880 -> 394,880
-105,143 -> 823,861
-761,330 -> 228,863
-405,132 -> 853,580
-780,886 -> 326,432
-471,45 -> 471,600
-810,971 -> 810,418
-591,58 -> 591,821
-494,133 -> 616,11
-519,746 -> 519,230
-696,879 -> 107,879
-21,24 -> 937,940
-18,822 -> 637,203
-159,468 -> 570,468
-635,850 -> 635,408
-446,469 -> 337,469
-962,690 -> 962,28
-925,958 -> 40,73
-123,183 -> 545,183
-26,767 -> 26,548
-898,101 -> 249,750
-85,706 -> 85,446
-224,763 -> 15,763
-503,655 -> 847,655
-659,905 -> 650,905
-596,462 -> 851,207
-421,230 -> 884,230
-550,18 -> 524,18
-437,375 -> 715,375
-210,202 -> 210,348
-263,298 -> 263,948
-132,352 -> 749,969
-582,454 -> 582,771
-724,99 -> 724,388
-16,528 -> 16,317
-22,949 -> 22,987
-457,328 -> 457,327
-279,130 -> 279,234
-56,338 -> 368,650
-448,295 -> 533,295
-898,90 -> 60,928
-116,619 -> 208,527
-614,481 -> 614,152
-113,412 -> 543,412
-854,305 -> 854,748
-225,825 -> 115,935
-976,365 -> 522,365
-547,394 -> 547,82
-800,695 -> 800,111
-36,10 -> 973,947
-557,441 -> 527,441
-62,798 -> 708,798
-582,585 -> 816,585
-599,33 -> 70,562
-971,863 -> 971,150
-408,273 -> 535,273
-797,215 -> 692,215
-537,922 -> 519,922
-299,302 -> 504,302
-88,361 -> 88,249
-430,311 -> 544,311
-902,127 -> 902,791
-346,986 -> 346,307
-523,534 -> 285,296
-600,628 -> 676,628
-373,689 -> 945,117
-265,189 -> 343,189
-391,632 -> 391,728
-500,516 -> 712,304
-250,891 -> 41,891
-591,539 -> 591,577
-968,250 -> 265,250
-80,32 -> 80,988
-668,385 -> 323,385
-407,103 -> 865,103
-755,190 -> 693,190
-754,113 -> 754,392
-957,261 -> 967,251
-881,734 -> 803,812
-234,912 -> 234,326
-711,893 -> 711,29
-513,479 -> 782,479
-111,224 -> 675,224
-125,645 -> 125,502
-591,983 -> 591,726
-462,390 -> 85,390
-854,275 -> 649,480
-253,792 -> 23,792
-940,975 -> 447,975
-604,297 -> 604,386
-172,217 -> 633,217
-159,941 -> 159,569
-468,72 -> 468,787
-931,935 -> 36,40
-114,166 -> 360,412
-539,740 -> 349,930
-314,342 -> 65,93
-905,650 -> 817,650
-786,546 -> 173,546
-209,967 -> 209,142
-679,64 -> 68,675
-472,70 -> 840,70
-750,753 -> 124,753
-79,490 -> 652,490
-655,114 -> 655,575
-984,18 -> 984,287
-458,41 -> 961,544
-358,208 -> 358,679
-977,830 -> 283,136
-250,800 -> 187,800
-64,516 -> 64,809
-196,235 -> 781,235
-727,988 -> 891,824
-437,158 -> 437,549
-565,231 -> 565,368
-293,411 -> 29,147
-100,905 -> 969,36
-59,615 -> 920,615
-844,883 -> 844,173
-966,980 -> 25,39
-802,923 -> 163,284
-980,24 -> 730,24
-357,474 -> 32,799
-735,23 -> 735,566
-970,426 -> 970,42
-194,542 -> 194,328
-372,69 -> 630,69
-779,295 -> 239,835
-793,381 -> 650,238
-366,579 -> 366,762
-502,354 -> 530,326
-432,125 -> 432,795
-162,220 -> 162,239
-631,944 -> 63,944
-261,526 -> 330,457
-913,445 -> 913,958
-786,160 -> 333,613
-919,123 -> 88,954
--- a/ipynb/AOC/2021/input6.txt
+++ b/ipynb/AOC/2021/input6.txt
@@ -1 +0,0 @@
-5,4,3,5,1,1,2,1,2,1,3,2,3,4,5,1,2,4,3,2,5,1,4,2,1,1,2,5,4,4,4,1,5,4,5,2,1,2,5,5,4,1,3,1,4,2,4,2,5,1,3,5,3,2,3,1,1,4,5,2,4,3,1,5,5,1,3,1,3,2,2,4,1,3,4,3,3,4,1,3,4,3,4,5,2,1,1,1,4,5,5,1,1,3,2,4,1,2,2,2,4,1,2,5,5,1,4,5,2,4,2,1,5,4,1,3,4,1,2,3,1,5,1,3,4,5,4,1,4,3,3,3,5,5,1,1,5,1,5,5,1,5,2,1,5,1,2,3,5,5,1,3,3,1,5,3,4,3,4,3,2,5,2,1,2,5,1,1,1,1,5,1,1,4,3,3,5,1,1,1,4,4,1,3,3,5,5,4,3,2,1,2,2,3,4,1,5,4,3,1,1,5,1,4,2,3,2,2,3,4,1,3,4,1,4,3,4,3,1,3,3,1,1,4,1,1,1,4,5,3,1,1,2,5,2,5,1,5,3,3,1,3,5,5,1,5,4,3,1,5,1,1,5,5,1,1,2,5,5,5,1,1,3,2,2,3,4,5,5,2,5,4,2,1,5,1,4,4,5,4,4,1,2,1,1,2,3,5,5,1,3,1,4,2,3,3,1,4,1,1
--- a/ipynb/AOC/2021/input7.txt
+++ b/ipynb/AOC/2021/input7.txt
@@ -1 +0,0 @@
-1101,1,29,67,1102,0,1,65,1008,65,35,66,1005,66,28,1,67,65,20,4,0,1001,65,1,65,1106,0,8,99,35,67,101,99,105,32,110,39,101,115,116,32,112,97,115,32,117,110,101,32,105,110,116,99,111,100,101,32,112,114,111,103,114,97,109,10,433,308,307,379,19,1597,200,1143,1316,269,366,1461,143,262,231,767,229,156,186,252,650,760,33,148,379,313,376,924,812,251,132,354,481,228,969,773,3,1514,204,0,1193,327,91,73,914,74,33,96,407,323,1637,475,54,1126,250,719,581,9,305,1442,376,362,622,540,595,92,1333,1523,686,466,117,59,827,300,814,203,248,969,565,1276,1280,801,486,10,604,652,62,214,219,242,146,749,312,402,1317,690,120,856,814,100,74,790,308,420,72,186,370,1209,1826,11,230,327,96,1235,1075,994,836,46,233,143,40,826,1566,323,414,443,42,263,43,995,336,141,641,404,222,264,1253,330,406,1710,324,383,817,34,555,53,86,188,463,118,777,283,1,621,44,1347,477,311,557,19,243,1069,81,885,93,33,271,217,1052,789,291,156,655,510,999,1696,770,77,501,291,486,32,671,823,484,1005,622,661,0,290,1176,100,47,141,439,780,871,474,1129,33,494,1135,209,146,68,109,512,271,460,1162,261,551,123,40,1499,345,245,62,1092,580,82,171,75,194,291,333,83,39,136,885,23,290,702,38,1,47,634,15,190,116,856,398,850,463,1211,1078,132,61,775,508,35,158,0,58,849,610,0,350,66,517,36,105,1234,953,195,60,1483,211,448,41,728,590,964,41,684,790,801,745,404,75,281,72,501,578,1697,537,184,967,1633,1115,1458,725,314,1266,979,750,186,243,1716,88,714,733,697,512,130,68,219,239,19,752,72,577,636,283,1137,564,446,374,52,83,195,475,41,764,120,1187,154,828,260,560,168,93,867,257,24,1409,513,1109,463,291,81,897,1116,687,381,4,1859,166,1400,405,32,1247,257,418,495,197,676,2,918,1225,658,1496,633,1430,1124,594,289,8,9,217,695,116,184,122,1122,915,724,163,1055,59,710,802,1669,75,697,407,1,1610,533,240,655,619,581,35,128,620,884,10,1540,50,437,1159,771,140,992,425,733,598,1563,219,240,169,107,687,41,1385,500,86,369,229,204,72,1345,261,472,275,1364,642,259,876,41,139,1,1182,586,888,674,1172,309,247,573,168,418,232,982,731,733,655,272,0,123,70,1067,905,29,185,791,102,131,38,1299,8,217,24,341,149,932,56,117,419,1049,909,207,681,193,957,215,658,295,529,436,674,543,551,492,270,616,1201,253,496,1725,223,43,1107,170,1242,1562,131,507,449,34,274,1100,52,28,204,808,684,359,711,1077,713,623,963,666,566,1576,734,24,824,764,466,1408,737,1200,1520,582,213,455,162,715,1339,115,261,19,544,43,1032,796,596,1452,339,1469,1229,157,737,289,145,153,10,485,781,491,137,1188,194,107,56,4,157,99,868,220,370,493,6,393,715,510,442,39,434,385,719,398,523,285,47,147,1119,37,168,937,282,1308,388,170,421,204,163,85,126,558,61,97,95,668,20,153,48,1008,324,8,694,1349,1445,562,1049,69,191,49,269,110,176,940,173,14,237,1192,657,693,792,224,52,147,758,123,4,190,933,370,805,903,19,597,28,247,487,93,1330,123,1481,731,771,0,406,120,1425,700,158,217,1000,717,1207,1377,443,88,58,476,999,40,424,62,41,13,171,40,832,116,456,670,129,665,659,69,337,8,160,1012,26,186,1451,1101,174,33,798,11,1517,487,179,995,109,765,1325,51,935,831,474,245,89,1436,623,623,1308,95,60,596,1571,672,426,16,1710,592,129,949,242,35,760,195,1017,88,83,537,733,98,332,551,133,1415,667,479,214,596,469,193,342,18,88,1343,1475,230,495,113,206,380,238,819,991,650,1392,221,228,693,724,703,611,642,187,55,327,198,980,240,397,169,55,329,177,498,710,1104,875,972,550,580,119,161,367,771,1737,138,219,1414,42,998,606,190,413,925,1184,1064,826,92,827,368,19,272,604,138,107,351,246,540,527,403,92,70,420,666,309,48,625,1796,712,1634,85,260,1030,17,563,71,728,833,207,655,68,4,394,225,49,18,899,92,607,10,867,0,571,115,692,77,578,687,213,456,85,393,865,42,766,605,872,486,613,1460,93,737,172,52,777,25,684,429,802,591,3,1090,95,601,104,241,576,361,779,648,338,83,12,784,1073,188,667,65,32,16,1079,550,108,694,571,192,372,1504,43,1600,446,227,208,319,569,859,54,1188,51,1067,551,1032,649,753,8,982,169,1477,593,986,877,675,505,607,164,756,447,956,195,419,1094,823,1789,279,684,51,1186,1801,627,1379
--- a/ipynb/AOC/2021/input8.txt
+++ b/ipynb/AOC/2021/input8.txt
@@ -1,200 +0,0 @@
-daegb gadbcf cgefda edcfagb dfg acefbd fdgab fg bdcfa fcgb | cdfgba fgbc dbfac gfadbc
-bdfc dcbegf bf egfbcda gebad cfgaed bfe edfgc aegfcb gebdf | fb fb bcdfaeg fcgdeb
-cebdgaf bfcd gceab bf bfcea gceafd ecdfa fegdab bfcade fba | dfcb dagfbe fbaged bfa
-efabcg aegcdb fgaed fac dgafbc becf eadcgbf aegfc fc cagbe | ecgfa agdef eagfc gdceab
-fcdae cdeabf fga gf gabfde cgadb gadebfc cgfe aegcdf afgcd | fbgadce gadefb fag bafegd
-gecadbf bgc dacgf gaecbf cbeda dbfg bgdca bg bafcgd gdacef | cdgfa fceabg dgfb dgabc
-fbecdga gcdbea cegab fc cafe cfg ebgdf cbgfe afbgec bagcdf | feac acegb bfagce gcafbe
-defgca fbdcga dbcfeg ag dabg cfagb dbcfg afcbe cga abgedcf | ag gefcbda afecdg ga
-gfecd cabgde bdfgcea ca cdfbag egadb bgfaed cga egcda acbe | ac ac egfbacd cdage
-adefg aecgd bfgae gfd dcgfea fd fcde dcfbag cdbega ecadbfg | gdfea df fd egafb
-eafbg bcefad abfcge bdga ad fgade bdafeg agefdcb fecgd dfa | cgbdeaf ad fdgec da
-fea fbadgc bagfc bgeafdc aegbd gbafe gcfe fagecb fe fbdcae | gefc dbfaceg feabg ef
-febda bacfd bagedc eadgfb dcb deacbgf abedcf fcabg fdce dc | bfcda cd dcfgbea efbda
-ab fbcea abc fedgac debfgca cfdea afbcdg ebad bfaced gefcb | abc abde adbe acefdgb
-afbedcg fcbegd aecbfg dfgab cdae cd dcf adbcf fabdec feabc | begfcda dc bfgda debgfac
-abdfge bef cgedfb eagfc bf geacdb aecdbfg gdbec dcfb gbfec | fbcged bf fgabed dfbc
-gfacbe fegcdba fa acdf cgebfd fag gbaed acdfge fdega gdecf | cfda adcbgfe cfegd af
-edc bgecad gfaced deacb de gdfcbae aecfb gabdc acdbfg egbd | gbdac edc cefdag afegdc
-bagdf cagfb acgbef dbfcag egbad bgecafd bdecaf daf df gcfd | bdfag bfgad fd cfadebg
-egd dcbgfe gecfd agfbdc egfb ge gcbeadf deafc bgcdf cbegad | edgcf ge efbg ge
-geadcf bfcda ab abd dagfc dbcfe eabdgc agfb bfegacd gbcadf | gcbfead bad dab abgf
-ecbgda gfc gfbe bafceg gf ecbfagd cbfda gbaec daefcg cfbag | afdbc fgc fg dcaefgb
-degbf aecfdb aced adbef gabcdf ea aef beafcg fbedcag dfabc | fae fae fdegb eaf
-fbeacd bfe bgfadc ef eafc fdcegb eacfgbd fadeb edagb cfbda | fdegbac ef dbfcge fdacegb
-eadgfb ae egcfb cdfab geca cdefbg bcafe eba bcefag abdefgc | gcae bea abe afbce
-fgace bef dcbfa eb dfcbeg efcab deab efdabgc bdfcae dbcgfa | be feb becfda aebfdc
-abfd da gad egbfd dbgeac adgef gecfa daebgf cfdbge abecgfd | ebcgfad gad gefca bfda
-gbaefc geabd gbfeadc ebgadf feb abcfd fe dacbge bfdea dgfe | ebfdgca fbe feb gcdbea
-ac edacf debacg acbf gcfed fbade cea afbdce edcbfga gfdbae | aedbfg abecfgd dfabecg dcabeg
-fabeg dcfgba deacbg bcagf adbgc caf gefcabd fc dfgc edcfab | afbge cdfg bcedfa cgfd
-fgdbae dbfeca gcbef egfdac edgfa cd cde dgaebfc cgad fcdeg | cde ecd cd eadgfc
-ga cfdea egfdbc gefad acbegfd geba abfgdc adg gebfd dafgbe | dga dfega egbdcfa gdbfe
-efcda dfgbea egf fdgab fbedcg ge bdcfga aebg edafg acgfdeb | fbcadg eg eg ge
-defcg gdcbae gfcbde ace afcg ca abfed cfebgad gacfde faedc | ca ac ace bcafegd
-egfdab bedac dbecaf cefd fbdac fagbc dbcgea fd adf bdgcaef | agbcf efdc cfadb dfce
-becdag eagd cgbed gdefbac agbcd bcdefg cfbeda acd ad gabcf | gdebfc ecadbg cgdfeb cbgad
-cdabg bedgac daec afbcgde cabgf dcb dc bagde ecgdfb febdga | debga dace bdgfeac cdagb
-bcgeafd gfb ebdcfa cbeagf bfcea fg afebg dagbe gfec bgdafc | cfge fegc gabef dgeacbf
-fdagecb fed dfabgc fe gabed bdecfg cgfe ebdfca cfbdg egfbd | gcef fgec dfe fde
-bfedc ac cfdbae gfbae acb bgfcde agdcbe facbe gfaecdb dcfa | bcfea bgdfeca efcbgda dcaf
-aecbdf eabgcd cb geacb ecb dcbg fabeg adegc fdcgae gbadfec | cafdeb efgba bc bc
-cfebag gcfbd bgadc fcegda dag beacg adbe ecgdab afbcedg ad | deab bacedgf gcefad fgcbd
-befdac gbdfca adebf dafcb edcafbg def edagb bcfe fe dgfcae | efd fcadb dgfbac ef
-bfcage dcbg edcbag gcadbef bc ebfda agcde deabc bca gdacef | fagbedc cb cbefdga dbgc
-eagfbd ebgafc abdcfe ed efgdb gabef fde geda degfabc gdfcb | gead feabg aedg dfe
-bcfdaeg cbedaf fgc gacfed eacfd gc bgfde aceg cedgf cdbgaf | cgf adefc cgfde dgfbe
-cadgbef gbaedf acebf efdgcb bdcgf fcbeg bcadgf eg gef cdge | fge efbdacg faedbg gef
-agdec gadbce ac cae acgb dfegab ebcdfa agebd fegcd gcebadf | aec bgaed ac ac
-beadgfc ea bceag fgbaec gbcaf cedbg ecaf dbeagf gea bacfdg | ceaf ae caebgf cbfdeag
-dfa fgadc cgefd cdfebga cebdfa gdabc af agfe gcbfed acefgd | fa egaf fbecdg fa
-fecbd fcgbd fdegbc deb abcfdg aegbdf cged ed aebfc bdefcag | gdcbf cedbf bed dcfgeb
-gfdec afbgedc bedga bafe gbfed bdf gfbaed bf gdcfab cbagde | bfae gdfeab bagcdf fgeabd
-cabe be efb decfgb agfbe edfgbac badfg deafcg cgfabe gaecf | be efabg dbafecg eb
-fbce agcdebf dcaefg dcgbaf dfb beadf cadfe bf fcbdae bgdea | faced dfceba adebg bf
-cagdbe agfdec dfega dgcf fabed gafec debfcag dg adg fgaceb | acbdge fdgc bfacge ecabgfd
-afce gebdcfa cbdage gfadec ecdgf fdbagc cf fgc bgefd adegc | bdfgac cf gabcfd cbaegfd
-edfacb cdaeg adgf gaebc agbdcef ead dfcage da degcbf egdcf | dgaf da fegcdba acedg
-ab bfacgd agdeb ebadfg adb defgcb gaedc dagebfc gfdbe eabf | beaf baedg ab dba
-fcag gdcfeab gebdfa af bgdfc abf acbfd cdfegb baced abgdfc | fa gafc fab gfca
-gf cdeabfg dcbfe edgba bcgfde ecfg gebdf fgb fdcabg cebadf | edbacf dfgeb gbead fbg
-gfbade da afdbg dag gbdef fade beadgc fdbgec cfbga cfeabdg | ad adg fbagd fegbd
-fdcbea dafbecg ebcfg eca aefcb fcadb ae cdefag dgacbf daeb | ae aedb ace eca
-ba dbga gbacf cab aebcdfg fgcad caedfg febcda adfcbg egcbf | agbd ba afebdc badg
-bgcef adfg dfegbca dacge abdfec gadebc af ecgaf gfaedc eaf | efa gdaf eacfdg cfgadbe
-bfa gcebaf gbfdaec ebga efgcb acbdef gcafd ab dfbgec gfbca | ba fgebdc bcfegd dcafebg
-befagd fbgadc cebdgf acegd bdc cb bfgda gdabc bagecfd cbfa | dfgebc cb fcab cgaed
-gadef dfgbac cfeabd abdge gab dcgaeb adceb cbge edbgacf gb | aebdfc gab efdag agb
-gfcde fgead ag agf gacd debfa gafcbe facedg gdbfec cegafdb | fga ga fga cbefag
-gfaed abedgf edbac cfabge egc bfdaegc cfgd fegadc dcgae cg | gacedf cebfga cafgbe ecgdbfa
-adefgc dg deg cegbad eadbfc abcefgd gdbc daecb eagfb adgbe | ecbda acbfed dg ebdga
-ebfda bdgcaf cbfeag gbdefca ecgfa fdc dgce egcadf cd cafde | bcfeagd aedfc gacebf fcd
-bdcgf bgecfad deaf feabgc ebgfad adfgb gadeb fa afb bgdeac | fa bfa dgafebc fa
-dagfcb fcbgdae adb cbea cbdgfe dfega dabgce agdbe ab gdecb | caeb dbcagef cgbde gcdfba
-fcaebg fdbgeac bcg bg efcgb ecbfa fdbace abgced fbga edgcf | bagf afbg gb befadc
-bdfc cdegb fgecb eabcfg db egdfcb aegbfd deb dgace gfcabed | fdaebcg ebd bd bd
-ba ecbfd fcebgad cdaeg adbce fbda fecbag bca cfedab cdbegf | dbfa febgdc cab bac
-dgbcfea cea ebgad cgef gdeafc ec agdcf dcgea dbagcf bcaefd | ec aec eac dbage
-dbcfeg ba abedfc fba dcgfa bafdc efbgac afcdgeb ebcdf daeb | ebadfc bdea ab baf
-gcdefab gd fbdag aefgb gade dgb cfbgde cfbda febgca bgefad | gd dg cfbedg dage
-ebdg cfedg gebcfa eb ceb bdgaecf edfcag dfbec gfedbc fbdca | be bec gbde cdfega
-dgecfa dab adbce ecgbd gcbfdea fcbgda ab aefb decaf ceabdf | ecdbafg ba adfcbge dgafcb
-acdbgf baefcg dcea dfegb edbcg cd dcg abcge dbcegfa gcbdae | abdgefc ceda cdg deca
-gabef fda afgcbe gabd ebafd gacedf ad eadgfb decbf bgcefda | edcfag adf cagdfe bdefc
-be cafdbe gcbaefd ebf dgabcf baedf debc fdbac eafgd agecbf | cadfeb dbce dfcbae efb
-gedf gadbc ed fbaegc efacdb feagb degfacb gaebfd ade dbaeg | fgabed cbgda gfeabdc ed
-agde dgcebfa fdbce badcgf dgfaec feg ge fgedc gefbac dafgc | ge geda aegd fedcb
-dcagb gfdbc egcdfba fedbca cfge fedcb dfbceg gfabed bgf fg | febacd edcfb gf abgecdf
-dabfecg dgefb bafgdc aedg efabg gd fbegda aefbgc dgf efdbc | fdecb cebdf gfd geda
-bfacg cgbaef cf gcf fdegbc adefbg feac gbcda abegf gdebafc | dgafceb efdabg ecgfbd gcf
-gdbcaf dcabgfe becg cb gebfa bca gfdbea efadc bfecag fbeca | gbce dcfbage ebcg bcge
-dgbaf faedbg abdgfce gabcd dbf gefd eacdfb faebg bcegaf df | dbf febadgc dfb fdb
-fcaegd db dcbe gcdbfe bfdeg efbga cadefbg dgb fedcg acdbgf | db efgbdca fcbdgae gdafbc
-gbacdf gafcbe dagcb dace ea dbgea cbdgae aeb debgf cfedbga | gbedac dacbge gaedbc afgdcbe
-fgceb abg badcfg dbaec feag ga cebagdf bdcfge agbce cefabg | feag degfcb acbgfd cagbe
-dbfgae fgade cgefba aecdbgf bfg bf befgd dbfa bcgde cedgfa | bdgec fbgcea dafb gfcabe
-ecgbf afgce gcbdfea ag fcadge dacfe bfacde eag dcga dgafeb | feadc acgd cdaefb cefbg
-cdabf gbdcaf fgceabd efa ae aecd fagebd ecfba cbgef eadcbf | eadc ea bgcef ea
-ega efadg eg bgef dbagec cbafde ebgafd dfebgca adefb afgdc | adegbfc ge eg fcdga
-ecadgf egdcf fdcbga fda afec fgaed eagbd dcgefb fa fbeagcd | daf fda gfabcd adbcgf
-gabef cbefa egabfd gbe badecfg agedf ecdafg gb gbda ebgdfc | gdba aebgf egb fecdga
-afcbe dcbae db efbd egcad bafcge gcbadfe dgcfab bcd dcabef | acbfe bd dbc cadbgfe
-dfcgabe bcafgd cafbed dgabe gbacd dae de egcd bgdeac gfbea | aed efbdgca de cdabge
-abd adcgfe bcdg bcdaeg adbec cegafdb agcde fceab adfebg db | deabc gedca db bad
-bdf efbagcd cgfde bfeg dfgeca bdfceg cgdfb agbcd bf dbfcae | fb gefb cefgd bf
-cga bgdcf ac bcgfa agbdfce gdabfe gcdabe bfcaeg gafbe eafc | ceaf ca bcfag faebg
-gdfb bd dbc adfcbg facbeg eadfbcg abgcf dbcga fecdab gceda | bd bagcf caged gbcfeda
-gabe fcdeab gbdfc fbgadec ebadf edg ge bfegd dfaebg dafgce | fbdage feadb bfagdec bgcdeaf
-aegdfb bcf cfbed ebcdgf cb cbdg defgb gcadefb fcgeab afced | fcedb cb bc cabefg
-cef fecag fdgbec agefb ce geafdb dbgceaf egcfba beca gdcfa | agfce aebgf beac fec
-bafdc dgbc bgcfad egafc dg fdg cafgd fbgdea cfgbeda cbdeaf | gfd fcage gd dfg
-aegf gbeac fg gdfcab agfecb bgefc bdgace bgf bfcde dcabfeg | dcgabfe caedbg gefcba gefa
-dcgab acfbed acfdgb gefbdca cbgae cfbgd ad gdfa bda bfedcg | da bafdec da acebg
-caf dafg cagfde fa efgac abcfged bcfdae fcegd gdefbc ecbag | af acbeg cabge fadg
-gfade gaefdc bagecfd dbfeg eacdfb ecfda fgdbac aceg ga gad | bcaegdf cgae bdfaec gda
-cbe edcbag ecfad dbeacfg abedc gcdbef eb agbfcd bega bgacd | bcdag gbdefc ecadbg geab
-fdcbega gaed fdbag fdbgea ag bag gbdfc fcegba edfba dcbefa | gab bafecgd bdagfe fbeadc
-daf ebcgaf edfb gdeca afdgbc dfega bgafe gcdaebf dbfage df | fd fdbe gbafce edfga
-gebfd eadbg bdcagef befcag df fde fbcd cgefbd gcdaef cfgeb | bgcef abedg afbcegd dbega
-gdcbe cbadgfe egafd agbc abe ecabfd cdbfge egbda ab cdebag | bdgace egfdcb aebgd fgade
-dbc efbad dgeca becda ecgb ecadfg cb gbdacef cdbfag egcdab | bc dcbafg dacgbe faebd
-gbafe dgbefca gdbfe fa ebgcdf bcgae bdaegf fga fead bdfcga | befacdg fa af efad
-feb gedbaf beafcgd fged bacgfd gbdfa dcbae caefgb efdab fe | fbdea gfabd bceda bef
-efg ef fagdceb fbagde dabfg gadef cadgfb defb gdeca afecgb | bceadfg fe cfaedgb abfdegc
-bafdc gabfd facgbd cbgd bfeadgc eadfbc acfegd gdf fbeag dg | bgcdfae faegb cedbaf dcgaef
-cadeg cdgafe cabge cbaefdg cgdb bfeca bag cbaegd gb dagbef | afebc cefdbag gba bga
-bce gdbcef fcebd dfegba cagbef bc fcdgabe dbgef dbcg ecdaf | bdgc cdafbge cbe bgdcfae
-afdcbge fcgdb gabf dabgfc dfcab bgd bg fedcba bedagc gdfce | bgfedac gb gb bg
-fgacbd bedgfa dfgbec ebgda adbce adfbg gfae eg bcfdgea ebg | ebgdcaf beg acbgfde edcba
-fdgb bdaec befda bf cbefag dcebafg dagef bafedg bef fgdcae | fb dgfb bdfg efgbadc
-cfebga fce beac gcafb egcbf gcebafd bedfg ce adbfgc fedacg | ec beacfg egcadbf bgefd
-begfda bfcg ecabdgf fb gdfbca cbeadg dbf acfde bgcad abcdf | eagdcb fb bdgca dcafb
-cadgb abd bgdfc gadf ad dfcgbea bagdcf gceab febadc cfgbed | acbge bcfgad cgbea bgcdaf
-cbdfga bdecf fgca gbc gcbdea cgdbaef abfdge dfcgb bafdg cg | fadebcg fcga cfga cbeagdf
-dbefagc fadbe gdbca cgfa fg bgafd bfdcga bgf gadecb dgcfbe | cgfa gbfedc gf dgfebac
-ecfgba fbeadc bagfe bgac ac gfabced bdeagf ecgaf dfgce caf | gcab ca cebafgd adfgebc
-gba gdbace gcea gabcd cbegadf abdefg gbcdf bfcdea acbed ag | bga ag gba gfbdc
-gfdce gcf aecgfb fegda fcdagbe dfbceg cg acefdb edfcb dbgc | gdbc adcbfge gc deabfc
-dcba bed cedfga fdeab bcfdge dbfagec cdebaf fabge db eadcf | edb bdac bd edb
-dcgb cfgae cdeba cedfab ged aecdg gd acbfedg acdgeb afgdbe | dcabef gd debac dg
-fecag bfedcg egf ef edfa geadbc dfbagec dcfeag acgfb caedg | dfae cfgab fe aecgfd
-degbca ebadg gafd af gfcbe bfagde fea cgfbade bdeacf gfbea | gdaf fcbge gfabedc fbegc
-dgcfa abcedf bcegad bedg cge fagbce caegd ge dfgacbe bdeca | gedb afbgdce aebdc ge
-befad afdcb fcbdga bacfged cfb gafc cf dbagc cdbage ebfdgc | efbda cadbefg dgaebcf bfc
-afgecd fgaec bf begfca bgacfd efab gcbed fbc bgecfda bgfec | fcb bfae ebaf edfbagc
-be afbced agcde cfabd bed dceba cefb gafbcd agedcfb degfab | ecbf fcbe deb cfgdaeb
-ecgadb cebfdg face egdfac gfe gdeaf fe egfcdab aedgc fagdb | acfgbde afec fe acegdb
-fead adbegc cdgefb adcgef gbcaf bgfeacd gedcf da dgafc adc | bgfdec facgb adef cgefd
-baedfcg gd gfcae efgbda bagd bgdefc fdg ecafdb gfaed edfba | gefbdac gbda fdg ebdfga
-cbdafg bgfec efcdbag ed gdcef cafdg fde dfaecg aced efagdb | def ed aecd adfcg
-fae cfeba gabe dcbfa ae fcaedg gebafdc dfcbge gcebf acfebg | fbcda egacdbf eaf afe
-cgaf dbgfa cdg gc bacgd bdfacg aedcfgb bdfgce aedbgf badec | dcgbef bdcfag agebdf fdagb
-bdf acgedf dgcfa gafb adecb fadcbg fcdba cfaegbd gdbecf fb | fb abedc fbadc gafb
-cdbegaf dcf afgdbc agbdef cefbd dbefa afce baedcf debgc fc | cf fc ecfa acef
-db fgcbde dfcb bfged dbgcea dgbecaf bdg afdceg gafeb fgedc | db ecfgd cgadbe gdfacbe
-caedgbf cgd gcfbe cfdeg fdcbag dc bedgfc dfega ebcfag bced | cadebgf ebcd cgbefa fegabdc
-ed adfbcge bfgdac edac dcefgb abcgd gadeb dceagb aegfb dge | feagb baefdgc egabf aegbd
-efdcab gfbead cf begdc fcbde acfe afbed dgbecaf dagcfb fbc | cgaefdb cadgfb bfecd cgbed
-agbfcd bdfcaeg acdbg cdebg bed bgcef de geabcd bacfed gdae | geda gcfeb gade cbdefa
-bcaegd bcd cbfge afbd gfcbd gabfcde db gecdaf dgafcb cdgaf | gfadc afcbgde dfacge gdbceaf
-acfdeb fgabd dfb gdcf gcbaf bgfcad aegbfc fd gbecafd bgade | fbd cfgd bdaefc gafebc
-bedgc dgceba gdacb aebg ebd bdcafg cadfbe ecdfg eb dgecafb | dbe geba be decfg
-cebg geafcbd ecfag gfcda dabefg cfgaeb ce efc bedcfa abefg | ec ce bgec agcef
-fbgde bgfec cb cfaeg adbecg ecfdgb bfdega bcfd bgdacfe ebc | ceb gabedfc dcfb eagfc
-degfa fceag aegbc gefcad dcgfabe cfad fc fgaebd dgbcfe fce | agecb cf cf dafc
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-gabce dacbge ebg eacgd fegdba baecdgf cdbg fbaec gb edfcga | ebg degcfa fdeacbg geb
-agecb begda bfdae deafbg adgcef fcdageb dg dbfg edg fecbad | dbeafc dbfg gd fbgdace
-cgfdab efabgdc eagbdf ed bgdace dcegb dgcab befgc deca dge | ecad ed dcea agbdc
-bdfce dbfeg fc egfbad fbgc dcf fdgbec ecgafdb cfegad edcab | fbcg gefbd fc cdf
-gdb gbead cgbdaef cabd aegcdf geadc bdaceg fagbe dfbgce bd | aedgb cbfgade geadc cegdfb
-bgefdca aefc gdafb bgdcae ac dfegc gfdbce dgaecf fagcd dca | ac cda adc gebcafd
-gdbcea fadcebg cebfad af cedfg abfcgd daf fbae debca efcad | faeb gbcaefd facde adf
-daebcg fgbeacd dfegcb cbfagd acbde ecbfa gade ed bdcag cde | bcdae bagcdfe cegafdb gcdfab
-bgcedf dfbec efagcd adfbg afdceb ebagcfd dbgfe bgce eg gde | gceb gaecdbf dbfge bcdeaf
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-fgdc fdaeg cdegfa dga cgaef bgcaef ecfbadg abdef cgeadb dg | adg gda aecbdg gda
-gbce edgbfac dcgfa bg adecfb bcefgd debgfa gdb dcfbe cfbgd | gceb gecb gb gb
-fcgebda deafb dgb gdefb bcgf cdefg bdefcg gafced bg ebcdga | bg cgfdeb gedfb bg
-deabc cfgbe bfa gaedbc afdc dcegbaf eafdbg fa afcbe daecfb | dacbef fa fa abf
-feg degcba gbade gdfcea gacebdf fbgdc bafged beaf ef dfgbe | ebfa fe fegbad ef
-ebagf abegdc befgca dg bdefc gdbefa dgebf agebfdc dbg dfga | dgaf gd afcbdge adfg
-defbgc gbd degfab cfbge fbcdg fegcadb fcdag cdbe bd fegabc | db gdb cfebg gdb
-cbedfga gefac bfa ba abdg efgbd afecdb efgab gfbdea bcegdf | debacfg ab ab ba
-gfbdeca cebfg abg gdea fcdgba ga eabfg ebadfg fedab ebcafd | cgdefba ga dfcagb gebfda
-caegdfb bcdgfa ecadg bagefc cebga edcb dac gcebad fdgae cd | cedb bcfgda cad adegc
-egdcaf ged gd fdeac gdfc efadg dbafec becdfag cgdaeb gabfe | edagf dgfc gfcd gd
-cbeafg baedcg bedcgfa gdebf abgfd dbcegf edg ed cdfe febgc | de cbgafe gde acgfebd
-fcd bdacg fd ebdgfc ecagbf gafcde cagdf fecga eadf gebcafd | fd ecgdabf df bfcdeag
-cb agefbc aegfbd dgbc eacbd ecdgba degab cab fdgceba eafcd | fdabgec cgeabf cb cdeaf
-ebacdg cbd badf bdcfe db efbadgc abfec aebfdc faecgb efgcd | db dfab dcefg ecafbd
-daefgc bdcafe fcbega bfcda bgfcdea dcabg fbed bafce fdc df | dbef df acfgdbe cgdab
-caefd fcaebg bdcfe afdge geafcdb caf ac dagc edgafb agdfce | edcgfa cfa dcga fac
-gcfedb daegbc bcfad gedcf fgecda ae eda agef gadcebf afdce | abgced fgecd adecfg ae
-gf aebfgc cabef cbdge aegfbd acfg gfb ecdbfa fdcegab bfecg | gcfbe bfgeca gf fgdaeb
-baegf cebaf bfcade bga bfacedg bg egbacd bcfg fcbeag gafed | cefba befcga fedbgca geafd
-fgcd fg adebfcg daebg gdfba fdacbe cbadf gfa gcafeb gdabfc | ebdag fcgd afcbd gf
-bdfegca ae aed ebfgdc gbdae cdaefg gedbf gbfdea ebfa bcdga | dea dcbegf dfebag cdegbf
-eagfdc bdfe geafcdb bf afegdb fdega agebf bgcae baf gcdbaf | baf edcgfa bf cabfgd
-fagbcd bfdac bedacg fgcb bc cba acfde gfabd afbdge fdacbge | cbgf bc bcfgeda bcgf
-bgafcde dgc adfgcb bceadg fecda bcage ebgcaf gdeca gd gbed | bdeg cdg agecb acbeg
--- a/ipynb/AOC/2021/input9.txt
+++ b/ipynb/AOC/2021/input9.txt
@@ -1,100 +0,0 @@
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--- a/ipynb/AOC/2022/input1.txt
+++ b/ipynb/AOC/2022/input1.txt
--- a/ipynb/AOC/2022/input10.txt
+++ b/ipynb/AOC/2022/input10.txt
@@ -1,145 +0,0 @@
-noop
-noop
-noop
-addx 3
-addx 7
-noop
-noop
-noop
-noop
-addx 6
-noop
-addx -1
-noop
-addx 5
-addx 1
-noop
-addx 4
-noop
-noop
-noop
-noop
-addx 6
-addx -1
-noop
-addx 3
-addx -13
-addx -22
-noop
-noop
-addx 3
-addx 2
-addx 11
-addx -4
-addx 11
-addx -10
-addx 2
-addx 5
-addx 2
-addx -2
-noop
-addx 7
-addx 3
-addx -2
-addx 2
-addx 5
-addx 2
-addx -2
-addx -8
-addx -27
-addx 5
-addx 2
-addx 21
-addx -21
-addx 3
-addx 5
-addx 2
-addx -3
-addx 4
-addx 3
-addx 1
-addx 5
-noop
-noop
-noop
-noop
-addx 3
-addx 1
-addx 6
-addx -31
-noop
-addx -4
-noop
-noop
-noop
-noop
-addx 3
-addx 7
-noop
-addx -1
-addx 1
-addx 5
-noop
-addx 1
-noop
-addx 2
-addx -8
-addx 15
-addx 3
-noop
-addx 2
-addx 5
-noop
-noop
-noop
-addx -28
-addx 11
-addx -20
-noop
-addx 7
-addx -2
-addx 7
-noop
-addx -2
-noop
-addx -6
-addx 11
-noop
-addx 3
-addx 2
-noop
-noop
-addx 7
-addx 3
-addx -2
-addx 2
-addx 5
-addx 2
-addx -16
-addx -10
-addx -11
-addx 27
-addx -20
-noop
-addx 2
-addx 3
-addx 5
-noop
-noop
-noop
-addx 3
-addx -2
-addx 2
-noop
-addx -14
-addx 21
-noop
-addx -6
-addx 12
-noop
-addx -21
-addx 24
-addx 2
-noop
-noop
-noop
--- a/ipynb/AOC/2022/input11.txt
+++ b/ipynb/AOC/2022/input11.txt
@@ -1,55 +0,0 @@
-Monkey 0:
-  Starting items: 98, 97, 98, 55, 56, 72
-  Operation: new = old * 13
-  Test: divisible by 11
-    If true: throw to monkey 4
-    If false: throw to monkey 7
-
-Monkey 1:
-  Starting items: 73, 99, 55, 54, 88, 50, 55
-  Operation: new = old + 4
-  Test: divisible by 17
-    If true: throw to monkey 2
-    If false: throw to monkey 6
-
-Monkey 2:
-  Starting items: 67, 98
-  Operation: new = old * 11
-  Test: divisible by 5
-    If true: throw to monkey 6
-    If false: throw to monkey 5
-
-Monkey 3:
-  Starting items: 82, 91, 92, 53, 99
-  Operation: new = old + 8
-  Test: divisible by 13
-    If true: throw to monkey 1
-    If false: throw to monkey 2
-
-Monkey 4:
-  Starting items: 52, 62, 94, 96, 52, 87, 53, 60
-  Operation: new = old * old
-  Test: divisible by 19
-    If true: throw to monkey 3
-    If false: throw to monkey 1
-
-Monkey 5:
-  Starting items: 94, 80, 84, 79
-  Operation: new = old + 5
-  Test: divisible by 2
-    If true: throw to monkey 7
-    If false: throw to monkey 0
-
-Monkey 6:
-  Starting items: 89
-  Operation: new = old + 1
-  Test: divisible by 3
-    If true: throw to monkey 0
-    If false: throw to monkey 5
-
-Monkey 7:
-  Starting items: 70, 59, 63
-  Operation: new = old + 3
-  Test: divisible by 7
-    If true: throw to monkey 4
-    If false: throw to monkey 3
--- a/ipynb/AOC/2022/input12.txt
+++ b/ipynb/AOC/2022/input12.txt
@@ -1,41 +0,0 @@
-abccccccccaaaaaaaccaaaaaaaaaaaaaaaaccccccccccccccccccccccccccccccccccccaaaaaa
-abccccccccaaaaaaaccaaaaaaaaaaaaaaaaccccccccccccccccccccccccccccccccccccaaaaaa
-abccccccccccaaaaaaccaaaaaaaaaaaaaaaaccccccccccccccccacccccccccccccccccccaaaaa
-abcccccaaaacaaaaaaccaaaaaaaaaaaaaaaaacccccccccccccccaaaccccaccccccccccccccaaa
-abccccaaaaacaaccccccaaaaaacaaacaacaaaaaaacccccccccccaaaacccaacccccccccccccaaa
-abaaccaaaaaaccccaaacaaaacacaaacaaccaaaaaacccccccccccaklaccccccccccccccccccaac
-abaaccaaaaaaccaaaaaacccccccaaacccaaaaaaaccccccccccckkkllllccccccccccccccccccc
-abaaccaaaaaaccaaaaaacccccccaaaaacaaaaaaacccccccccckkkklllllcccccccaaaccaccccc
-abacccccaacccccaaaaacccccccaaaaaccaaaaaaacccccccckkkkpppllllccccccaaaaaaccccc
-abacccccccccccaaaaacccccccccaaaacccaaaaaaccccccckkkkpppppplllccccddddaaaccccc
-abccccccccccccaaaaaccccccccccaaaccaaaccccccccccckkkppppppppllllldddddddaccccc
-abccacccccccccccccccccccccccccccccaaccccccccccckkkopppupppplllmmmmdddddaacccc
-abccaaacaaaccccccccccccccccccccaaaaaaaaccccccckkkkopuuuuupppllmmmmmmddddacccc
-abccaaaaaaaccccccccccccccccccccaaaaaaaacccccjjkkkooouuuuuuppqqqqqmmmmddddcccc
-abccaaaaaacccccccccccccccaaccccccaaaacccccjjjjjjoooouuxuuuppqqqqqqmmmmdddcccc
-abcaaaaaaaacccccccccccccaaacccccaaaaaccccjjjjoooooouuuxxuuvvvvvqqqqmmmdddcccc
-abaaaaaaaaaacccccccaaaaaaacaacccaacaaacccjjjooooouuuuxxxxvvvvvvvqqqmmmdddcccc
-abaaaaaaaaaacccaaacaaaaaaaaaacccacccaaccjjjooootttuuuxxxyyvyyvvvqqqmmmeeecccc
-abcccaaacaaacccaaaaaaacaaaaaccccccccccccjjjooottttxxxxxxyyyyyyvvqqqmmmeeccccc
-abcccaaacccccccaaaaaacaaaaaccccaaccaacccjjjnnntttxxxxxxxyyyyyvvvqqqnneeeccccc
-SbccccaacccccccaaaaaaaaacaaacccaaaaaacccjjjnnntttxxxEzzzzyyyyvvqqqnnneeeccccc
-abcccccccccccccaaaaaaaaacaaccccaaaaaccccjjjnnnttttxxxxyyyyyvvvrrrnnneeecccccc
-abcccaacccccccaaaaaaaaaccccccccaaaaaacccciiinnnttttxxxyyyyywvvrrrnnneeecccccc
-abcccaaaaaaccaaaaaaaacccccccccaaaaaaaaccciiiinnnttttxyyywyyywvrrrnnneeecccccc
-abcccaaaaaaccaaaaaaaacccccccccaaaaaaaacccciiinnnntttxwywwyyywwwrrnnneeecccccc
-abcaaaaaaaccaaaaaaaaaccccccccccccaacccccccciiinnnttwwwwwwwwwwwwrrnnneeecccccc
-abcaaaaaaaccaaaaaacccccccccccccccaaccccccaaiiiinnttwwwwwwwwwwwrrrnnnffecccccc
-abcccaaaaaaccaaaaaccccccccccccccccccccaaaaaciiinnssswwwssssrwwrrrnnnfffcccccc
-abaacaaccaaccaaaccccccccaacccccccccccccaaaaaiiinnssssssssssrrrrrronnfffcccccc
-abaccaaccaacccccccccaaacaacccccccccccccaaaaaiiimmmssssssmoosrrrrooonffaaacccc
-abaaaccccaaaaaaccccccaaaaaccccccccccccaaaaaccihmmmmsssmmmoooooooooofffaaacccc
-abaaaccccaaaaaacccccccaaaaaacccccccccccccaacchhhmmmmmmmmmoooooooooffffaaccccc
-abaacccaaaaaaaccccccaaaaaaaaccccaaccccccccccchhhhmmmmmmmgggggooofffffaaaccccc
-abaacccaaaaaaaccccccaaaaaaaccccaaaaccccccccccchhhhmmmmhggggggggfffffaaaaccccc
-abccccccaaaaaaacccccaacaaaaacccaaaaccccccccccchhhhhhhhggggggggggfffaacaaccccc
-abccaacccaaaaaaccccccccaaaaaccaaaaacccccccccccchhhhhhhggaaaaaaccccccccccccccc
-abccaaaccaaccccccccccccccaaaaaaaaaccccccccccccccchhhhaaaccaaaacccccccccccccaa
-abaaaaaaaccccccccccccccccaaaaaaaaccccccccccccccccccccaaaccccaaccccccccccccaaa
-abaaaaaaaccccccccaaaccccacaaaaaacccccccccccccccccccccaaaccccccccccccccccccaaa
-abaaaaaacccccccaaaaacaaaaaaaaaaacccccccccccccccccccccaaccccccccccccccccaaaaaa
-abaaaaaacccccccaaaaaaaaaaaaaaaaaaacccccccccccccccccccccccccccccccccccccaaaaaa
--- a/ipynb/AOC/2022/input13.txt
+++ b/ipynb/AOC/2022/input13.txt
@@ -1,449 +0,0 @@
-[[[[],[7,10,6,5],[],[8]],0,1,[[8,10]],4],[[[4,0,3,2,0]],7],[[],3,[[0,2],8,5],[],[[2,10,4,6]]],[3],[5,[1,[8,0],10,1,[4,3,9,9]],1]]
-[[0,2,7],[],[10,[[0,7,3,6]]],[2,[8],3]]
-
-[[],[[0,8,[],[0,8,6,7,10]],4,10,[[],9,[1],4,10],3],[[7,1,0],10,[[1,10,7,8],[3,7],[3,6],5],1,0],[9],[2,9,[[0,6,3]],[[7]],2]]
-[[[],0,[[4,5,10],8]],[0,5],[[[1,8,8,8],2],0,[7,9],3]]
-
-[[3,[[10,2,8],3,0,[2,1],7]],[[[1,9,5,5,8],1,9,[9,2,4,5]],2,1,[[],[4,3],3]],[],[7,[6,4,[7,0,5]],[],[8],1]]
-[[3],[],[[4,4],[[5,4,3],10,[1,3,9],9],3,1],[6,[0,[9,0,1,1,1]]],[]]
-
-[[4,0],[[[5,7,10,9],[1,8,0,3],[10]],9,10,[]],[5,[[1,3],5,3,[],[4,8,0,2,5]],0]]
-[[8,0,[],[[7,5,4,6,3],0,[9,4,8],0,6]],[1,3,9],[2,[[],5,8,8,8]],[[[6,5],4,[3,3],[4,0],0]]]
-
-[[],[2,[[3,0,5]]],[1,[7],[0,[10,3,9],10,[8,2,4,2,2],[5]],[[0,2,3,1],3,[8,6,0],2,[]]],[[[3,1,3,7,2],6,0,[3],7],[[7,2,4,10],[6,8,10,0,2]],5]]
-[[],[9,[5,8,0,[3,10]],10],[6,6,9,0,[[4,8,5,2],[1,10,1,7,0]]]]
-
-[[7],[0,[2],3],[1,0],[[],2],[1,[[6],[4,3,10,2,5],[6,9,3,3,0],[8,5],10],[]]]
-[[],[[1,[5,1,7,9,6],[],[4,7,9,10,10]],7,1,[4,4,[3],[2],9]],[8],[[[5],[5,6],6,5],[]],[9,9,6,9,10]]
-
-[[0,[0,9,7,4],[[10,8,8,4]]],[[[9,7,0],[9,0],5,1]],[],[9],[0,[4,4],1,[6,[3,9,6],[6,7,2,9,9],3],5]]
-[[[2,[1,3,6],5,9,10]],[]]
-
-[[[[4,4]]],[3,[[1,5,2,9],[2,2],[8,0],[7,2]],[8,[],7,10,5],3]]
-[[[1]],[],[3],[[3,[2,8,7,8],[],[9],[]]]]
-
-[[[8],10],[4,2,[4,[],9,8,2],[2,[2,9,6]],7],[9,2,5,5,[7,4]],[5,[[5,2,4,9,7],[6,2,4,3],[6,7,1],9],8],[[[1],6,1,[8,5,9,1]],[[6],[7,0,10,1],2,[6,9,8,2,3],[6,3]]]]
-[[],[7],[9,8]]
-
-[[],[4,10,3,[],[[2,0,7,6],[0,1],8]]]
-[[[],5],[6,0,1],[6,[[7,10,3,10]]],[],[[[8,10,3,5,6],[],[3,5,10,8]]]]
-
-[[[[9,3,3,1,6]],7,5,[],[[4,3]]],[9,[[10,2]],[8,[2,5,3,6],[9,6],10,10],[3,[10,6],[9]],[9,[9,9,10],4]]]
-[[6,9],[[],3,4]]
-
-[[6,[[2,2],[],[6],9,[7]],9,[]],[[[8,8],1,10],5,4,7],[[],5],[10,8,8,[5,[1,3,5],[3,8]]]]
-[[[9],[[],[9,2,0],9,[4,3,10,0,5]],5,1,10],[[[1,3,8,9],[10,3,5,4,7],[10,7,9,7],0,[8,8,2]],7,3,[10,[2,2,4,4,4]],[9,10,[]]]]
-
-[[7,1,7,[],0],[8,3,[],8]]
-[[[[0,1],9,9,[6],[]],8,4,0,5],[10,3,7],[9,[[8]],3,7,3],[[[],[10,10,2],3,[2,7,10,5,8],[0,5]],0]]
-
-[[10,[]],[[7,4,7,[8,0,6]],[6,3,[6,9,10,4,6],[5,10,8]],1,[[]],2],[[2,[1,5,4,3,1]],1,[[2],[6,8,0,9],[2],[5,7,5],7],9,[[0,8,9],2]],[3,4,[9],0,3]]
-[[4],[8,[3,[1,6,4,7,2],10,5],[2]]]
-
-[[2,[4,9,2,4,[0,4,4,1]],1,[[8,9,2]]]]
-[[[],8,[[6,8,8]],[7,3,3,[7,5,9,0,7]]]]
-
-[[1,6],[6,7,4,[[1,3]]],[4,[6,5,[4,6,6],[6]],[],[9]],[[[8,5,1,10],0,[7,0,4],1],[[8,9,6,3],[1,4,4,8,6],4,9,5],8]]
-[[],[[],[7,[0,10,8,5,10],0,[3,9,3,3,1],[6]],[[0,8],[0,2,3,5,0],7,9,3],[6,[6,4]]],[6,8],[[0,1,8,[1,9],3],[5],[2,[8,10,5,1],[6]]],[[7,0,[9,6,3,3,1],10],[[4,0,3],5,3,1,[9,7]],[[7,8,5,3],[7,10,7],6,[3,4,3,3]],[7,[4,2],[8,0,3,8,3]]]]
-
-[[[[6],[3]],4],[[[0,0],[10,0,3],2,2,[7,10,1]],[]],[[[5,5,10],5,[0],[7,5,0,3,8]],[]],[6,4,[1,[10,4],1],[[8,6,4,8,2],[8,10,0],[10,7,8,3,9],[0,8],[6,5,0]]]]
-[[0,[9,3],1,[9],[0,2,[8,10],[3,5,7,10,1],6]],[4,5,3,[]],[7,[1],0,[[2,9,9,7,10],[5,5],9,[]],7],[]]
-
-[[[],[],5,[[8,6,5],7],6],[],[[],5,[],[[7,9,1,3],[4,2],[2,7,5,9],5]],[],[]]
-[[3],[1,2,4,[6],2],[[6],8],[],[[[],[5]],[4,[5,0,10],[5],[8,8,4,10,9]],1,4,4]]
-
-[[3,7,[5,[6,9,6,9,6]],[],[0,[4,2,8,4,4]]],[5,[],9,5,5],[]]
-[[7,0,3,8,[5,6,7]],[2,[0,[],1,6,6],[[5],[0],[1,4]]]]
-
-[[[5,5,3,2],[],[5,[1,3],[2,7,2],[10]],9,[7,[8,3],9]],[[6,5,8],7,[[2],8,2],[0,5],8]]
-[[[[]],7,[[],[4],6],7,[3,[]]],[4],[[[7]]],[]]
-
-[[],[3,9,[[2],[0,8]],[[8,3,8,9,1],4,3],[9,4,5]],[[[7,0,10],[5,8,5,4,0]],[[1,5,7,1,0],[],7,4,6],[1],[6,[6,9,2,0,3],4,9,[10,7,1,8]]],[6,4,[[],[8],6]]]
-[[],[[]],[[[2,2,10,7,10],4,[],[10,3,3,2,8]],[5],[[2,0,3,7],1,[],[3,4,3,10]]]]
-
-[[10,10,[[],1,0,4,[3,3,9,10]]]]
-[[10,1,4,[5],6],[[0,6,[]],2,5],[7,6,[[]]],[1,9,5,[],[[6],2]]]
-
-[[[],[],4,[1,[5,10,2,3,4],[7,1]],[7,0,[2,2,3],7]],[[[],[1,2,6],[2,9,0],[7],[]],0],[[[],5,[2,6]]]]
-[[10,4,10],[[3,[2,5,1,0],4],[6,7],7,3],[8,1,2,2],[[[3],2,[2,4,8,7,9]],[],9,0],[[[3,3],9,2,[2,1,1,7,3],8]]]
-
-[[],[0],[[[6],[],[6,2]],1,3,[2,7,[4,10,2,7,9]],[[1,5,9,0,10]]]]
-[[[3,6,2,3,4],10,[6,[0,1,1],2,8,[6,9,0,4]],4],[[],[[2,10,6,6,0]],6,[[2,6,7,8],[6,10]]],[[[7,5,6],7,[0]],[10,6,0]]]
-
-[[0],[[]],[[2,[0,10],9,[]],[7],6,[]],[[4,0,2,10,[1,9,2]]]]
-[[[[],[4],5,[4,9]],[8,[5]]],[10,10,2,[9,7,[8,7,3,8,3],10,1]],[4,[[6,10,5],[3,6,2],1,[7],[8]],[1],[]],[]]
-
-[[[2],0,[2]],[2],[[[10,5],9,4,5],3,[[2],6],[[6,7,3,8,0],2,5,8],6],[]]
-[[[[6]]],[1,5,8,6],[[7,0],3],[[[6,8,7],[5],[],[8,4,5],10],2,10]]
-
-[[[0],10],[[[1,3,5,2],[5,4,0],9,0],[[]],[5,[4,10]]],[0],[]]
-[[8,10],[0,10,[],[[1,6,3,9,1]]]]
-
-[[[5,[9,3,4],7,1,1],[4],[8]],[[1,10],9],[]]
-[[[[2],2,[]],8,4,[10,[0,1]]],[6,4,1,9,4],[[2,6,[0,8,2,8],5],5,9,[[8]],[]],[6,3,[8,2,6]]]
-
-[[10,3],[5,[],3]]
-[[],[[[4,1,2],4],[4],[6,2]],[[],[[7,8]],3,7,[2,[]]],[],[[9],10,[10],0]]
-
-[[[8,3,9],6,[],8,[[],[4,1,1]]],[]]
-[[9,[[10]],[2,[4,2,5,5,9],[],2],[]]]
-
-[[10,10],[]]
-[[[[8],8,1,[10,3],[6,3,7,5,0]],[5,[8,4,8,8,6]],0,[[]]],[],[1],[5,[6,[],5,2,[10]]],[3,10,[[6,4,0],[6],9,[3,8,9,10],[5]],[1,3,6,2],[[5,2,2,1],3,0,1]]]
-
-[[[[4]],[5,[3,5,9],5,4,[5,0,8]],[[1,5,2,3],[1,1],7,3,[0,2]],0,[]],[2]]
-[[2],[[[5,3,2,4,10],[7,0,3,6,4],5]],[],[[[3,6],5,6],[5,[]]]]
-
-[[9,7],[8,1,6,3],[[8,5,[2,6,1]]],[[[1,0,2,1]],0,7],[]]
-[[[10,[0,0],[],[7,5,10,1,1]],[],[9,[7,7,1,9,1],[7],[9,6,2]],10,10],[[[2,0,10,7,9],[1,7,8,2,7]],8,0,[[9,8,6,0,5]],3],[[10,7],[],[],1,[[3,6,5,8,8]]],[[5,[7,5,0]],[3,[10]],[7,6,[5,5,5]],[[10,4],5,[5]],3]]
-
-[[[3,[6]],0,5],[[[]],[8,[1,6],3,9],[9,[4,3,3,5],[10,0]],[6]],[0,[7,5,10,9,7]],[5,2,[[4,7],9,9]],[[9,8,6,9,[1]],1,3,8,[3]]]
-[[[0,8,[0,0]],1],[5,[],5],[[9,[9]],0],[6,[[0,9,8,6]],[[4,10]]],[[[4,6],[8,7,3,3,6]],4]]
-
-[[[[10],4,1],3,[]]]
-[[[0,4,[7,3,7,5,3],[6,9,10,3,8],[]],8,[[],5],[9]],[4,[8,[2,0,6,9,5],[4,10,7,7],3],[6,[10,6,4,10,4],[5],8,3],2],[[[],6,[10,2],[7,5,4,3]],6,[0],[]]]
-
-[[10,[[9,9,9,2,10],1,0,8,7],6,9],[8,[],[[],8,8,1,[]],[]]]
-[[],[[0],[[],[7,9,6,0,9],3,1],[8,2,[]],[]],[6,1,[2,2,6],[6,0]]]
-
-[[[10,[0,7,8],[]],10,[0],5],[4,10,7,6,[]],[[9],[1,4,[5],[10,4,7,2,6],6],[7,[5,9]]],[5,1,[[6,1,7],[4],[]],7,9]]
-[[],[1]]
-
-[[[5,6],[7,[5,10,10],[6,2,10]],7,1,[[8,9],6,[1,4,3],[8],8]],[[[8,0,9,0],4,[],5]],[1]]
-[[[],[]],[8,3,[[3,4],4,3]],[[[2],[2,5,5],1,2],[9,4,[9,8,3,7,3]]]]
-
-[[8,4,[[3,1]],[]]]
-[[0,[2,4,[],7,0],[[2,6,4],[2,3,9,1,3],[3,2,10,5],3],2],[[],[5,[3,3,8,8]],3],[[[]],9,1],[[9,[5]],[6,[9,0],[4],[]],4,4,[2,8,7]]]
-
-[[[5,4,8,1,[4]],6,6],[[[9],2,[8,10,3,10],[7,6,9,6],[4,4,6,6]],1,3,2],[3,0],[5,[],[[],[10]],[2,6,[2,0,5,7,9],[0]],5]]
-[[[10],0],[[[],1,4,4,[]],[1,[8,3,7,0,6],1,[3,5,2,6,5]],7,[[10,7],2,[]]],[[[10,9,9,5],9],[[9,3,8,0],[],3],9,[[1]],[[8,1,4,2],8,[5,1,2]]],[7,[[7,4,6,3,6],[4,10,9],[8,5,2],[0]],[],7,9],[2,[9,0,4]]]
-
-[[[],2],[[[5],3,5,8],7,[5,[1]],3,5]]
-[[2,[[4,1,3],0],8,[2],[4]],[3,[]],[],[[1,[0],[7,5,3,3,9],6],[4,[6,9,7],[],[7,1,9],[0,0,0]],[1,6,[2,4,10,5],1]]]
-
-[[8,9,[],4,7],[7,7,8,6],[[9],9],[],[9,8,[8,5,0,10,[3,2,3,9,2]],[],2]]
-[[]]
-
-[[[9,[6,2,7,4]],[[10,7,1],8,[8]],6,[[2,9,9],1,[7,7,1,3],[0,9],7],[7,[0,10,8,7],5]]]
-[[3,[[1,5],[5,8],5,[10,8,1,0,6]],1]]
-
-[[7],[7,[2,[],6]]]
-[[[[4,4,3],8],2,2,5],[[[6,4,2,8],0,5],[6,4],[1],[9],[[6,10,0,7,8],7,[]]],[[[5,1],[8,4]]]]
-
-[[[[1,3,4,2],8,[7,8,9,8,1]]],[[[7],3,[],[3,2,9,1]],9,2],[6,7]]
-[[4,7],[[[0,8],6,8,[3,0,7],[10,10,6,1,2]]],[[],[[7,2,5,0,10],5],2,[[2,4],[5,3,2,4,9],3,[6]],[1,[],6,[],[6,6]]]]
-
-[[],[[5],10]]
-[[],[],[[1,5,2]]]
-
-[[10],[3,[[5,0,4,2,5],9,[9,5,6,3]],9,[[5,5,7],[0,9],[3],10,4]],[6,7,[9],[],[]],[[9],[[0,2,8],10,3,[9,7,8,8,1],[2,10,6]],[2,[10,3],[5,7],9,[9,10,9]],6],[0,8]]
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-
-[[[2,[0],1,[3,2,10,0,4],[10,9,8]],[[7,4,8,2,10],[2,0,1]],5,7],[[[4,10,7,5,1],[]],[[5,5,6,0,1],9],8]]
-[[7,3],[[[3,10],[0,2,5,4]],6,6,[[5,4,4,8,5]],[4,[0],[5],[]]],[9,2,6],[[[1,7,2,8,7],[2,6,8],4,[10,9,5,8],4]]]
-
-[[[7,[9]],7,2,[[1]],4],[],[[0],[[5,10,10,9,2],10,1],[0,9,[5,6,3,0],[],[1,9,10,5]]],[[3,1,[6,0],1],[[2,3,9,3],[0],6]]]
-[[8,4,7,0],[7,7,[[6,9]],5,8],[[2,[],[9]],0],[0,[[],[0,0,9,0],9,[8,10,2],[10,0,5]],[7,5,[1,10,6],[],2]],[]]
-
-[[[]],[9,8,[]],[5,[[8,4,9],[6],[10,7,3],1,[]],9],[[],6],[2,[[1],9]]]
-[[],[2,[[10],9],6,[10,1,[9],[3,1,4,2],[1,10,9,3]],[[2,6,8],5,10,3]],[[5,[],3],3],[],[3]]
-
-[[[],[[10],[0,1,5,2]]],[[1,[2,8,1,10,1],3,6],[0],8,4,[[8,2],[10,2,7,5,0],[2,1]]],[[6,[],4,[2,4,5],[2,4]]],[10,0],[]]
-[[[6,[]],5,[[4,10,10],8,[5,0]]],[[3],[[8,4,8]],2],[[[8,4,6,2],6]],[8,10],[3,[8,8,4,[]],7,9,[6]]]
-
-[[10,[6,[9,1,2,0]]],[[[6,10],1,10,10,6],1,5,5,[4,[4,8,1,1],4,[9]]],[1],[1,[8,[5,3]],9,[[5,9,1,1,2],[],[9],10,[6,7]],6]]
-[[[],5,[10],[8,[4,2,7,9],1,9,9],1],[10,[],0]]
-
-[[[[10,8,0,1,6],[0,9,10,3],1],4,[8,10,0,0]],[],[[[6,7,1,10,6],3],[2],[],4,1]]
-[[],[],[6,3,[[9,1,5],[4]],[[4],8,[6,6,7,0,1]],[8,8,[3,5],[2,3,10,6]]],[],[[7,[],[4,10,4,5],2]]]
-
-[[3,[],2,[6],[]],[1,[1,[4,1,6,10,6],[2,2,0,7,5],1,[5,7,9,2]],[[9,8,7]]],[[[3,8],6],1],[[6,[4,1,7,7],[],6],[],[],10,1],[]]
-[[[7,9,10,[4]],[0]],[6,[3],[[0,9,10],[6,9,6,2]]],[[[10,1,8,8],[2,5],[7,2]],0,[3],[5,[8,6,5,3],6]]]
-
-[[5],[[[7,10],0,[],[8]],2,[4,0,3,[]],6,[8]],[[[4,2]]],[[]],[[[],[2,7,1]],[4,2,[7,3,7,8]],6,0]]
-[[9,9,9,[[]]]]
-
-[[[4],[5,1,[10,2,9],7,2],10],[1]]
-[[1,[]],[],[],[5,9,[],[5,[10,10,8,8],[2,10,1],1]],[[6],7,[2],9]]
-
-[[4,7,4],[6,1],[9,[],[[8,2],6],[[3,5,1,4],6,[10,3],4]],[[9,[],[2,4,10,3,7],[1,3,0,7,9],7],1],[[[10],[0,5,10,2],[2,5,2,5],[5,1,2,0,3]],1,[[2,2,8]],4,[8]]]
-[[0,[[],[],[9,4,1,2],7]]]
-
-[0,4,5,3,1]
-[0,4,5,3]
-
-[[[8,7,8,0],2,10,[],[9,3]],[2,0]]
-[[[[10],10,[8,7,8],0]],[4,5]]
-
-[[9,5,5],[0],[[9,6,[10],6],[10,[10,5,9]]],[5],[10,6,[],9,[[5,5],4]]]
-[[[0,2,10,[7]],7,1,4],[],[2,[[7,2,4,0],2,1],[2,1]]]
-
-[[],[8,10,6],[3]]
-[[[3],4],[10,[],[]]]
-
-[[2,[9,[9,7,7],[10,9,5,0]],0],[3,7]]
-[[[5,3]],[[3,[],[7,4,5],7],[[5],3],[3]],[2,[5,8,4],9,[3,[0,9,5,1,1],10,[4]]],[]]
-
-[[],[4,0,[[4,1]],[[7,7,4],0],[[9,5,9,9,3],1,[4,7,7,9,3]]]]
-[[],[10,5],[[[9,5,8,4,1],10,6,4],[[9,2,8,3,6],6,7,[8,10,6,7,8],[10,2,2]]],[[6],[2,0,0],9,[5,7]]]
-
-[[[],[[],[2,3,9]],5,5,5],[[1],5,[[],4],[5,[3,9,3],[6,4,1]],3],[3,[4,1]],[[],[4,[8],[7]],[[10,8,2],5]],[[[1,5,0,9,6],9,7,[]],[0,[],6],[],[[3,5,8],6]]]
-[[[8,[],8,[7],3]]]
-
-[[1]]
-[[0,[0,[7,0,9,0],7,1],[7,[2,10,4,2],3],[2,0,6,[3,5,8,0],[10,3,4,5,4]],[[8,7,6],[5,6],[7],[]]],[[],[],[]],[1,[],[[4,2,4,8],7,3,[4,4,7],9]],[10,[[8,5,6],3],9]]
-
-[[6],[[[4,6],[6,3,2,0,4],0],3,4,[7,[4,1],2,3,6],1],[]]
-[[6,9],[8,[7],4,7,3],[9]]
-
-[[7,10,0],[0,8,[[4],4],[[10,2,1,10,0]],4],[[[1],5,[1],4,[6,3,5,3]],[[3,5,0,4,8],4,5,[8]],[6,3,7,[4,2,4,1],[6,8,1]],[0,1,[8,10,7,2],[6,2]],[3,[2,6,1,4]]]]
-[[7],[[6,0,7],[9,9,8,[6,7,10,6]],[[5]],[[7],[4,2]],4],[[]],[4,1,4],[5,[7,4,10,[2]]]]
-
-[[],[9,1]]
-[[[5,10,[],7,[0,7,3]],[[2,1]],5]]
-
-[[],[[5,9,[6,3,8]],[3,[9,10]]],[10,[5],7,5]]
-[[3,[10,10,[3,4]],[[6,2,10],[3,6,0,4],8,2,2],9,3],[[6],[7,1,[3]]],[3,10,4,9],[[[1]],5,2,2],[]]
-
-[[2,1,3,1,[]],[[0,7,[],4],3,1,[[7]]],[2,3,1,[9,[],[2,3,0,6,6],[8,5,1,2,4],5]]]
-[[9,[[0,7,10,5],6]],[],[[8,[10,6],[7],8]],[[3,[0,4,8,7],10,[2,2,2,7,4]]]]
-
-[[3,1,[10,[7,1,4,8,6],[1,1,3],[5,1,6,3,8]],6],[3,8,[[4,1,4,5],[1,8,1],[],[5,10,9,2,7]],3,7],[10,0,8,6]]
-[[],[5,8,9,7,[6,2]],[7,[3,0,1,[]],[]]]
--- a/ipynb/AOC/2022/input14.txt
+++ b/ipynb/AOC/2022/input14.txt
@@ -1,163 +0,0 @@
-494,71 -> 498,71
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-472,131 -> 472,134 -> 466,134 -> 466,141 -> 484,141 -> 484,134 -> 476,134 -> 476,131
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-469,53 -> 474,53
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-499,38 -> 503,38
-483,107 -> 483,110 -> 476,110 -> 476,113 -> 487,113 -> 487,110 -> 486,110 -> 486,107
-485,62 -> 489,62
-493,38 -> 497,38
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-482,144 -> 482,147 -> 480,147 -> 480,153 -> 489,153 -> 489,147 -> 488,147 -> 488,144
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-484,29 -> 488,29
-483,107 -> 483,110 -> 476,110 -> 476,113 -> 487,113 -> 487,110 -> 486,110 -> 486,107
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-472,41 -> 472,45 -> 469,45 -> 469,48 -> 479,48 -> 479,45 -> 477,45 -> 477,41
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-482,144 -> 482,147 -> 480,147 -> 480,153 -> 489,153 -> 489,147 -> 488,147 -> 488,144
-472,41 -> 472,45 -> 469,45 -> 469,48 -> 479,48 -> 479,45 -> 477,45 -> 477,41
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-488,65 -> 492,65
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-482,122 -> 486,122
-482,71 -> 486,71
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-491,68 -> 495,68
-476,128 -> 480,128
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-460,59 -> 465,59
-472,41 -> 472,45 -> 469,45 -> 469,48 -> 479,48 -> 479,45 -> 477,45 -> 477,41
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-473,74 -> 473,75 -> 480,75
-477,57 -> 482,57
-472,41 -> 472,45 -> 469,45 -> 469,48 -> 479,48 -> 479,45 -> 477,45 -> 477,41
-493,32 -> 497,32
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-473,55 -> 478,55
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-496,35 -> 500,35
-479,125 -> 483,125
-456,57 -> 461,57
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-490,35 -> 494,35
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-474,59 -> 479,59
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-482,144 -> 482,147 -> 480,147 -> 480,153 -> 489,153 -> 489,147 -> 488,147 -> 488,144
-481,38 -> 485,38
-482,144 -> 482,147 -> 480,147 -> 480,153 -> 489,153 -> 489,147 -> 488,147 -> 488,144
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-485,119 -> 491,119 -> 491,118
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-482,144 -> 482,147 -> 480,147 -> 480,153 -> 489,153 -> 489,147 -> 488,147 -> 488,144
-472,131 -> 472,134 -> 466,134 -> 466,141 -> 484,141 -> 484,134 -> 476,134 -> 476,131
-483,107 -> 483,110 -> 476,110 -> 476,113 -> 487,113 -> 487,110 -> 486,110 -> 486,107
-472,131 -> 472,134 -> 466,134 -> 466,141 -> 484,141 -> 484,134 -> 476,134 -> 476,131
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-487,26 -> 491,26
-481,59 -> 486,59
-459,55 -> 464,55
-488,128 -> 492,128
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-488,71 -> 492,71
-472,131 -> 472,134 -> 466,134 -> 466,141 -> 484,141 -> 484,134 -> 476,134 -> 476,131
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-487,38 -> 491,38
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-483,107 -> 483,110 -> 476,110 -> 476,113 -> 487,113 -> 487,110 -> 486,110 -> 486,107
-482,65 -> 486,65
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-481,32 -> 485,32
-482,144 -> 482,147 -> 480,147 -> 480,153 -> 489,153 -> 489,147 -> 488,147 -> 488,144
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-475,38 -> 479,38
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-485,68 -> 489,68
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-483,107 -> 483,110 -> 476,110 -> 476,113 -> 487,113 -> 487,110 -> 486,110 -> 486,107
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-472,131 -> 472,134 -> 466,134 -> 466,141 -> 484,141 -> 484,134 -> 476,134 -> 476,131
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-482,144 -> 482,147 -> 480,147 -> 480,153 -> 489,153 -> 489,147 -> 488,147 -> 488,144
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-464,77 -> 464,78 -> 473,78 -> 473,77
-483,107 -> 483,110 -> 476,110 -> 476,113 -> 487,113 -> 487,110 -> 486,110 -> 486,107
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-473,74 -> 473,75 -> 480,75
-485,119 -> 491,119 -> 491,118
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-484,35 -> 488,35
-472,41 -> 472,45 -> 469,45 -> 469,48 -> 479,48 -> 479,45 -> 477,45 -> 477,41
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-464,77 -> 464,78 -> 473,78 -> 473,77
-453,59 -> 458,59
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-467,59 -> 472,59
-485,156 -> 498,156 -> 498,155
-472,41 -> 472,45 -> 469,45 -> 469,48 -> 479,48 -> 479,45 -> 477,45 -> 477,41
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-463,57 -> 468,57
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-472,131 -> 472,134 -> 466,134 -> 466,141 -> 484,141 -> 484,134 -> 476,134 -> 476,131
-464,77 -> 464,78 -> 473,78 -> 473,77
-462,53 -> 467,53
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-472,131 -> 472,134 -> 466,134 -> 466,141 -> 484,141 -> 484,134 -> 476,134 -> 476,131
-483,107 -> 483,110 -> 476,110 -> 476,113 -> 487,113 -> 487,110 -> 486,110 -> 486,107
-466,55 -> 471,55
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-482,128 -> 486,128
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-465,51 -> 470,51
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-487,32 -> 491,32
-476,71 -> 480,71
-490,29 -> 494,29
-494,169 -> 494,159 -> 494,169 -> 496,169 -> 496,167 -> 496,169 -> 498,169 -> 498,166 -> 498,169 -> 500,169 -> 500,167 -> 500,169 -> 502,169 -> 502,161 -> 502,169
-485,156 -> 498,156 -> 498,155
-478,35 -> 482,35
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-479,68 -> 483,68
-478,104 -> 478,103 -> 478,104 -> 480,104 -> 480,96 -> 480,104 -> 482,104 -> 482,97 -> 482,104 -> 484,104 -> 484,97 -> 484,104
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-472,41 -> 472,45 -> 469,45 -> 469,48 -> 479,48 -> 479,45 -> 477,45 -> 477,41
-490,23 -> 490,17 -> 490,23 -> 492,23 -> 492,18 -> 492,23 -> 494,23 -> 494,16 -> 494,23 -> 496,23 -> 496,17 -> 496,23 -> 498,23 -> 498,19 -> 498,23 -> 500,23 -> 500,16 -> 500,23 -> 502,23 -> 502,20 -> 502,23 -> 504,23 -> 504,13 -> 504,23 -> 506,23 -> 506,13 -> 506,23 -> 508,23 -> 508,21 -> 508,23
-470,57 -> 475,57
-465,91 -> 465,90 -> 465,91 -> 467,91 -> 467,84 -> 467,91 -> 469,91 -> 469,85 -> 469,91 -> 471,91 -> 471,88 -> 471,91 -> 473,91 -> 473,88 -> 473,91 -> 475,91 -> 475,88 -> 475,91 -> 477,91 -> 477,84 -> 477,91 -> 479,91 -> 479,90 -> 479,91 -> 481,91 -> 481,88 -> 481,91
-485,125 -> 489,125
--- a/ipynb/AOC/2022/input15.txt
+++ b/ipynb/AOC/2022/input15.txt
@@ -1,26 +0,0 @@
-Sensor at x=3890859, y=2762958: closest beacon is at x=4037927, y=2985317
-Sensor at x=671793, y=1531646: closest beacon is at x=351996, y=1184837
-Sensor at x=3699203, y=3052069: closest beacon is at x=4037927, y=2985317
-Sensor at x=3969720, y=629205: closest beacon is at x=4285415, y=81270
-Sensor at x=41343, y=57178: closest beacon is at x=351996, y=1184837
-Sensor at x=2135702, y=1658955: closest beacon is at x=1295288, y=2000000
-Sensor at x=24022, y=1500343: closest beacon is at x=351996, y=1184837
-Sensor at x=3040604, y=3457552: closest beacon is at x=2994959, y=4070511
-Sensor at x=357905, y=3997215: closest beacon is at x=-101509, y=3502675
-Sensor at x=117943, y=3670308: closest beacon is at x=-101509, y=3502675
-Sensor at x=841852, y=702520: closest beacon is at x=351996, y=1184837
-Sensor at x=3425318, y=3984088: closest beacon is at x=2994959, y=4070511
-Sensor at x=3825628, y=3589947: closest beacon is at x=4299658, y=3299020
-Sensor at x=2745170, y=139176: closest beacon is at x=4285415, y=81270
-Sensor at x=878421, y=2039332: closest beacon is at x=1295288, y=2000000
-Sensor at x=1736736, y=811875: closest beacon is at x=1295288, y=2000000
-Sensor at x=180028, y=2627284: closest beacon is at x=-101509, y=3502675
-Sensor at x=3957016, y=2468479: closest beacon is at x=3640739, y=2511853
-Sensor at x=3227780, y=2760865: closest beacon is at x=3640739, y=2511853
-Sensor at x=1083678, y=2357766: closest beacon is at x=1295288, y=2000000
-Sensor at x=1336681, y=2182469: closest beacon is at x=1295288, y=2000000
-Sensor at x=3332913, y=1556848: closest beacon is at x=3640739, y=2511853
-Sensor at x=3663725, y=2525708: closest beacon is at x=3640739, y=2511853
-Sensor at x=2570900, y=2419316: closest beacon is at x=3640739, y=2511853
-Sensor at x=1879148, y=3584980: closest beacon is at x=2994959, y=4070511
-Sensor at x=3949871, y=2889309: closest beacon is at x=4037927, y=2985317
--- a/ipynb/AOC/2022/input16.txt
+++ b/ipynb/AOC/2022/input16.txt
@@ -1,56 +0,0 @@
-Valve AA has flow rate=0; tunnels lead to valves RZ, QQ, FH, IM, VJ
-Valve FE has flow rate=0; tunnels lead to valves TM, TR
-Valve QZ has flow rate=19; tunnels lead to valves HH, OY
-Valve TU has flow rate=17; tunnels lead to valves NJ, IN, WN
-Valve RG has flow rate=0; tunnels lead to valves IK, SZ
-Valve TM has flow rate=0; tunnels lead to valves FE, JH
-Valve JH has flow rate=4; tunnels lead to valves NW, QQ, TM, VH, AZ
-Valve NW has flow rate=0; tunnels lead to valves JH, OB
-Valve BZ has flow rate=0; tunnels lead to valves XG, XF
-Valve VS has flow rate=0; tunnels lead to valves FF, GC
-Valve OI has flow rate=20; tunnel leads to valve SY
-Valve IK has flow rate=0; tunnels lead to valves RG, TR
-Valve RO has flow rate=0; tunnels lead to valves UZ, YL
-Valve LQ has flow rate=0; tunnels lead to valves IZ, PA
-Valve GG has flow rate=18; tunnels lead to valves GH, VI
-Valve NJ has flow rate=0; tunnels lead to valves TU, UZ
-Valve SY has flow rate=0; tunnels lead to valves OI, ZL
-Valve HH has flow rate=0; tunnels lead to valves QZ, WN
-Valve RZ has flow rate=0; tunnels lead to valves AA, UZ
-Valve OF has flow rate=0; tunnels lead to valves YL, IZ
-Valve IZ has flow rate=9; tunnels lead to valves OF, FH, VH, JZ, LQ
-Valve OB has flow rate=0; tunnels lead to valves UZ, NW
-Valve AH has flow rate=0; tunnels lead to valves FF, ZL
-Valve ZL has flow rate=11; tunnels lead to valves SY, VI, AH
-Valve BF has flow rate=0; tunnels lead to valves PA, YL
-Valve OH has flow rate=0; tunnels lead to valves CU, JZ
-Valve VH has flow rate=0; tunnels lead to valves IZ, JH
-Valve AZ has flow rate=0; tunnels lead to valves JC, JH
-Valve XG has flow rate=0; tunnels lead to valves BZ, PA
-Valve OY has flow rate=0; tunnels lead to valves PZ, QZ
-Valve IM has flow rate=0; tunnels lead to valves FM, AA
-Valve GO has flow rate=0; tunnels lead to valves VJ, TR
-Valve YL has flow rate=8; tunnels lead to valves JC, RO, OF, BF, FM
-Valve TY has flow rate=0; tunnels lead to valves SZ, TS
-Valve UZ has flow rate=5; tunnels lead to valves OB, NJ, RO, RZ, GC
-Valve XF has flow rate=21; tunnel leads to valve BZ
-Valve RY has flow rate=0; tunnels lead to valves TR, FF
-Valve QQ has flow rate=0; tunnels lead to valves JH, AA
-Valve TS has flow rate=0; tunnels lead to valves TY, FF
-Valve GC has flow rate=0; tunnels lead to valves VS, UZ
-Valve JC has flow rate=0; tunnels lead to valves AZ, YL
-Valve JZ has flow rate=0; tunnels lead to valves IZ, OH
-Valve IN has flow rate=0; tunnels lead to valves TH, TU
-Valve FM has flow rate=0; tunnels lead to valves IM, YL
-Valve FH has flow rate=0; tunnels lead to valves AA, IZ
-Valve VJ has flow rate=0; tunnels lead to valves AA, GO
-Valve TH has flow rate=0; tunnels lead to valves CU, IN
-Valve TR has flow rate=7; tunnels lead to valves FE, IK, RY, GO
-Valve GH has flow rate=0; tunnels lead to valves GG, FF
-Valve SZ has flow rate=10; tunnels lead to valves RG, TY
-Valve PA has flow rate=16; tunnels lead to valves XG, LQ, BF
-Valve PZ has flow rate=0; tunnels lead to valves CU, OY
-Valve VI has flow rate=0; tunnels lead to valves ZL, GG
-Valve CU has flow rate=22; tunnels lead to valves PZ, OH, TH
-Valve WN has flow rate=0; tunnels lead to valves TU, HH
-Valve FF has flow rate=13; tunnels lead to valves VS, RY, AH, TS, GH
--- a/ipynb/AOC/2022/input17.txt
+++ b/ipynb/AOC/2022/input17.txt
--- a/ipynb/AOC/2022/input18.txt
+++ b/ipynb/AOC/2022/input18.txt
--- a/ipynb/AOC/2022/input19.txt
+++ b/ipynb/AOC/2022/input19.txt
@@ -1,30 +0,0 @@
-Blueprint 1: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 20 clay. Each geode robot costs 3 ore and 18 obsidian.
-Blueprint 2: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 3 ore and 16 clay. Each geode robot costs 3 ore and 9 obsidian.
-Blueprint 3: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 4 ore and 8 clay. Each geode robot costs 2 ore and 8 obsidian.
-Blueprint 4: Each ore robot costs 3 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 18 clay. Each geode robot costs 4 ore and 16 obsidian.
-Blueprint 5: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 19 clay. Each geode robot costs 4 ore and 15 obsidian.
-Blueprint 6: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 8 clay. Each geode robot costs 4 ore and 14 obsidian.
-Blueprint 7: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 11 clay. Each geode robot costs 3 ore and 8 obsidian.
-Blueprint 8: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 7 clay. Each geode robot costs 3 ore and 10 obsidian.
-Blueprint 9: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 3 ore and 15 clay. Each geode robot costs 2 ore and 8 obsidian.
-Blueprint 10: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 20 clay. Each geode robot costs 2 ore and 17 obsidian.
-Blueprint 11: Each ore robot costs 2 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 16 clay. Each geode robot costs 2 ore and 9 obsidian.
-Blueprint 12: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 19 clay. Each geode robot costs 4 ore and 13 obsidian.
-Blueprint 13: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 17 clay. Each geode robot costs 4 ore and 20 obsidian.
-Blueprint 14: Each ore robot costs 2 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 17 clay. Each geode robot costs 3 ore and 19 obsidian.
-Blueprint 15: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 3 ore and 14 clay. Each geode robot costs 4 ore and 17 obsidian.
-Blueprint 16: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 9 clay. Each geode robot costs 3 ore and 9 obsidian.
-Blueprint 17: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 20 clay. Each geode robot costs 2 ore and 17 obsidian.
-Blueprint 18: Each ore robot costs 3 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 17 clay. Each geode robot costs 4 ore and 16 obsidian.
-Blueprint 19: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 4 ore and 5 clay. Each geode robot costs 3 ore and 10 obsidian.
-Blueprint 20: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 7 clay. Each geode robot costs 4 ore and 13 obsidian.
-Blueprint 21: Each ore robot costs 3 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 20 clay. Each geode robot costs 4 ore and 7 obsidian.
-Blueprint 22: Each ore robot costs 2 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 14 clay. Each geode robot costs 3 ore and 8 obsidian.
-Blueprint 23: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 19 clay. Each geode robot costs 3 ore and 13 obsidian.
-Blueprint 24: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 15 clay. Each geode robot costs 4 ore and 20 obsidian.
-Blueprint 25: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 14 clay. Each geode robot costs 4 ore and 15 obsidian.
-Blueprint 26: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 4 ore and 8 clay. Each geode robot costs 3 ore and 7 obsidian.
-Blueprint 27: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 4 ore and 19 clay. Each geode robot costs 4 ore and 7 obsidian.
-Blueprint 28: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 11 clay. Each geode robot costs 4 ore and 8 obsidian.
-Blueprint 29: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 15 clay. Each geode robot costs 3 ore and 9 obsidian.
-Blueprint 30: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 17 clay. Each geode robot costs 2 ore and 13 obsidian.
--- a/ipynb/AOC/2022/input2.txt
+++ b/ipynb/AOC/2022/input2.txt
--- a/ipynb/AOC/2022/input20.txt
+++ b/ipynb/AOC/2022/input20.txt
--- a/ipynb/AOC/2022/input21.txt
+++ b/ipynb/AOC/2022/input21.txt
--- a/ipynb/AOC/2022/input22.txt
+++ b/ipynb/AOC/2022/input22.txt
--- a/ipynb/AOC/2022/input23.txt
+++ b/ipynb/AOC/2022/input23.txt
@@ -1,71 +0,0 @@
-##...####.#.####.#...##...#####.##.##.#..#.#..#....#....#..#.##....#.#.
-##########.##.#.###.####..######..#.###.#.....##.##..####....###..#..##
-.......#..##....##..##.#...###.#.#..###.#.###.######....##..##...##...#
-..##.#..#.#.###.###..####.#.####..#...##....#..#.#..##.#####.......###.
-######..#..#...##.##.#..#####..#..#.#.#.#.#####.#.##..#.#.....##....###
-..##.#.##.#####.###...#...#.##..#..####......#####.#.##..#.#...##.#.#..
-#.##....####.#..##..##....###.######...#.#####..#.####.##.#....#.#####.
-.####....####.........#.##.#..#.#.#.#.#.#####..###.####..###..#.#...#.#
-#####.#.##..#..#.....###..#####.####.#.#######.#.#...###.##.....##.##.#
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-WWBhTMgDTZghVjgjssbrbddd
--- a/ipynb/AOC/2022/input4.txt
+++ b/ipynb/AOC/2022/input4.txt
--- a/ipynb/AOC/2022/input5.txt
+++ b/ipynb/AOC/2022/input5.txt
@@ -1,513 +0,0 @@
-                [B]     [L]     [S]
-        [Q] [J] [C]     [W]     [F]
-    [F] [T] [B] [D]     [P]     [P]
-    [S] [J] [Z] [T]     [B] [C] [H]
-    [L] [H] [H] [Z] [G] [Z] [G] [R]
-[R] [H] [D] [R] [F] [C] [V] [Q] [T]
-[C] [J] [M] [G] [P] [H] [N] [J] [D]
-[H] [B] [R] [S] [R] [T] [S] [R] [L]
- 1   2   3   4   5   6   7   8   9 
-
-move 8 from 7 to 1
-move 9 from 1 to 9
-move 4 from 5 to 4
-move 4 from 6 to 1
-move 3 from 8 to 5
-move 6 from 5 to 9
-move 1 from 5 to 1
-move 4 from 4 to 9
-move 7 from 3 to 7
-move 6 from 7 to 3
-move 1 from 8 to 7
-move 2 from 7 to 6
-move 1 from 8 to 9
-move 1 from 6 to 3
-move 4 from 3 to 5
-move 5 from 1 to 3
-move 1 from 1 to 8
-move 2 from 3 to 4
-move 1 from 4 to 1
-move 7 from 9 to 2
-move 1 from 6 to 3
-move 2 from 1 to 9
-move 20 from 9 to 7
-move 6 from 4 to 9
-move 1 from 2 to 9
-move 6 from 9 to 4
-move 1 from 4 to 6
-move 1 from 8 to 6
-move 1 from 4 to 7
-move 5 from 2 to 3
-move 2 from 6 to 4
-move 3 from 9 to 5
-move 5 from 3 to 5
-move 3 from 3 to 8
-move 3 from 5 to 6
-move 1 from 9 to 8
-move 5 from 4 to 5
-move 3 from 4 to 9
-move 1 from 8 to 2
-move 2 from 8 to 2
-move 11 from 5 to 6
-move 16 from 7 to 1
-move 2 from 1 to 7
-move 14 from 6 to 1
-move 11 from 1 to 6
-move 2 from 1 to 4
-move 4 from 3 to 4
-move 9 from 2 to 4
-move 2 from 4 to 8
-move 2 from 5 to 3
-move 9 from 4 to 7
-move 2 from 3 to 2
-move 1 from 2 to 7
-move 1 from 8 to 4
-move 4 from 1 to 4
-move 1 from 9 to 1
-move 7 from 4 to 7
-move 2 from 6 to 5
-move 1 from 8 to 6
-move 1 from 4 to 2
-move 10 from 1 to 6
-move 5 from 7 to 3
-move 1 from 4 to 7
-move 2 from 1 to 2
-move 2 from 2 to 4
-move 4 from 3 to 4
-move 18 from 7 to 6
-move 6 from 6 to 4
-move 1 from 7 to 4
-move 1 from 7 to 6
-move 11 from 4 to 5
-move 14 from 5 to 9
-move 1 from 8 to 7
-move 8 from 6 to 2
-move 2 from 4 to 5
-move 7 from 9 to 1
-move 6 from 9 to 7
-move 5 from 1 to 8
-move 1 from 3 to 6
-move 10 from 6 to 3
-move 1 from 9 to 6
-move 1 from 5 to 4
-move 4 from 3 to 8
-move 1 from 5 to 9
-move 9 from 2 to 3
-move 1 from 9 to 5
-move 4 from 8 to 4
-move 1 from 5 to 3
-move 5 from 8 to 7
-move 5 from 7 to 2
-move 3 from 4 to 1
-move 8 from 6 to 5
-move 1 from 7 to 9
-move 4 from 1 to 3
-move 2 from 4 to 6
-move 5 from 5 to 2
-move 4 from 6 to 9
-move 1 from 1 to 2
-move 1 from 5 to 6
-move 7 from 2 to 8
-move 5 from 6 to 8
-move 4 from 7 to 9
-move 15 from 3 to 9
-move 1 from 7 to 3
-move 1 from 5 to 3
-move 6 from 2 to 6
-move 1 from 5 to 2
-move 2 from 3 to 9
-move 1 from 6 to 8
-move 5 from 8 to 9
-move 2 from 3 to 8
-move 3 from 3 to 6
-move 11 from 9 to 4
-move 1 from 2 to 1
-move 2 from 8 to 4
-move 1 from 1 to 4
-move 7 from 4 to 7
-move 9 from 6 to 3
-move 4 from 7 to 8
-move 4 from 7 to 6
-move 19 from 9 to 4
-move 7 from 8 to 5
-move 5 from 3 to 6
-move 6 from 6 to 9
-move 3 from 3 to 5
-move 1 from 3 to 9
-move 8 from 4 to 5
-move 2 from 9 to 6
-move 3 from 8 to 2
-move 1 from 8 to 4
-move 1 from 2 to 5
-move 19 from 4 to 1
-move 2 from 5 to 7
-move 2 from 2 to 4
-move 13 from 5 to 2
-move 1 from 5 to 1
-move 2 from 6 to 9
-move 1 from 8 to 7
-move 9 from 9 to 3
-move 2 from 3 to 8
-move 1 from 4 to 2
-move 5 from 6 to 7
-move 1 from 4 to 6
-move 2 from 8 to 7
-move 7 from 1 to 5
-move 1 from 6 to 7
-move 10 from 1 to 8
-move 1 from 1 to 3
-move 1 from 1 to 2
-move 6 from 5 to 3
-move 4 from 5 to 3
-move 5 from 7 to 1
-move 3 from 1 to 2
-move 4 from 7 to 5
-move 8 from 3 to 6
-move 2 from 1 to 7
-move 4 from 5 to 8
-move 7 from 3 to 5
-move 3 from 7 to 2
-move 1 from 7 to 3
-move 12 from 2 to 8
-move 23 from 8 to 2
-move 16 from 2 to 6
-move 1 from 9 to 6
-move 7 from 5 to 7
-move 7 from 2 to 4
-move 2 from 3 to 8
-move 1 from 1 to 9
-move 5 from 8 to 1
-move 2 from 3 to 9
-move 2 from 7 to 1
-move 4 from 1 to 3
-move 4 from 7 to 2
-move 2 from 1 to 4
-move 11 from 2 to 9
-move 3 from 3 to 4
-move 1 from 9 to 1
-move 2 from 2 to 7
-move 4 from 4 to 8
-move 2 from 9 to 5
-move 2 from 5 to 7
-move 4 from 4 to 6
-move 1 from 3 to 8
-move 1 from 9 to 8
-move 4 from 4 to 2
-move 2 from 1 to 3
-move 1 from 8 to 4
-move 2 from 3 to 5
-move 3 from 9 to 7
-move 2 from 8 to 9
-move 1 from 9 to 6
-move 2 from 7 to 3
-move 2 from 8 to 1
-move 1 from 4 to 9
-move 18 from 6 to 2
-move 1 from 6 to 5
-move 1 from 5 to 9
-move 18 from 2 to 3
-move 1 from 8 to 7
-move 2 from 5 to 9
-move 1 from 1 to 4
-move 3 from 2 to 1
-move 9 from 9 to 4
-move 7 from 4 to 6
-move 2 from 7 to 3
-move 2 from 4 to 9
-move 7 from 6 to 7
-move 3 from 7 to 2
-move 7 from 6 to 3
-move 2 from 6 to 9
-move 24 from 3 to 9
-move 2 from 6 to 8
-move 1 from 4 to 2
-move 2 from 8 to 5
-move 31 from 9 to 3
-move 6 from 7 to 4
-move 35 from 3 to 7
-move 1 from 1 to 8
-move 1 from 5 to 7
-move 1 from 5 to 4
-move 1 from 3 to 9
-move 1 from 8 to 2
-move 3 from 1 to 7
-move 7 from 4 to 5
-move 1 from 9 to 8
-move 4 from 5 to 6
-move 2 from 5 to 2
-move 6 from 2 to 5
-move 2 from 5 to 7
-move 2 from 2 to 1
-move 2 from 5 to 4
-move 1 from 8 to 4
-move 3 from 4 to 6
-move 4 from 6 to 7
-move 1 from 5 to 2
-move 2 from 6 to 9
-move 1 from 6 to 4
-move 1 from 4 to 8
-move 2 from 9 to 6
-move 1 from 8 to 9
-move 34 from 7 to 9
-move 6 from 7 to 3
-move 1 from 7 to 2
-move 1 from 5 to 8
-move 1 from 8 to 6
-move 6 from 7 to 4
-move 1 from 7 to 3
-move 7 from 3 to 5
-move 6 from 4 to 6
-move 31 from 9 to 1
-move 3 from 5 to 7
-move 24 from 1 to 3
-move 1 from 2 to 4
-move 3 from 9 to 1
-move 14 from 3 to 5
-move 1 from 4 to 3
-move 1 from 9 to 7
-move 8 from 3 to 7
-move 1 from 2 to 9
-move 7 from 1 to 5
-move 3 from 6 to 8
-move 3 from 6 to 1
-move 1 from 1 to 3
-move 4 from 3 to 2
-move 4 from 2 to 3
-move 2 from 5 to 1
-move 9 from 7 to 4
-move 1 from 6 to 5
-move 1 from 1 to 7
-move 3 from 8 to 9
-move 5 from 4 to 2
-move 3 from 2 to 3
-move 1 from 2 to 3
-move 2 from 4 to 1
-move 2 from 9 to 4
-move 1 from 9 to 3
-move 1 from 6 to 1
-move 1 from 9 to 6
-move 25 from 5 to 4
-move 4 from 1 to 9
-move 2 from 3 to 7
-move 2 from 6 to 9
-move 2 from 9 to 5
-move 6 from 7 to 1
-move 5 from 3 to 6
-move 10 from 4 to 3
-move 10 from 4 to 8
-move 2 from 4 to 2
-move 5 from 1 to 9
-move 2 from 6 to 4
-move 6 from 9 to 6
-move 7 from 6 to 4
-move 3 from 9 to 4
-move 3 from 2 to 4
-move 4 from 3 to 8
-move 2 from 5 to 3
-move 10 from 4 to 9
-move 4 from 9 to 7
-move 5 from 9 to 5
-move 4 from 5 to 1
-move 9 from 4 to 6
-move 10 from 1 to 3
-move 1 from 5 to 4
-move 3 from 4 to 5
-move 2 from 5 to 7
-move 1 from 7 to 3
-move 1 from 6 to 9
-move 11 from 8 to 6
-move 14 from 6 to 5
-move 1 from 4 to 7
-move 7 from 5 to 3
-move 3 from 5 to 4
-move 2 from 9 to 5
-move 2 from 4 to 3
-move 2 from 7 to 4
-move 11 from 3 to 9
-move 2 from 8 to 2
-move 2 from 2 to 3
-move 1 from 8 to 2
-move 1 from 2 to 9
-move 3 from 4 to 5
-move 2 from 6 to 9
-move 1 from 1 to 8
-move 10 from 9 to 7
-move 2 from 9 to 3
-move 23 from 3 to 9
-move 4 from 6 to 4
-move 9 from 5 to 6
-move 1 from 5 to 3
-move 5 from 6 to 7
-move 1 from 1 to 7
-move 1 from 3 to 9
-move 4 from 6 to 7
-move 1 from 8 to 7
-move 1 from 7 to 5
-move 1 from 5 to 1
-move 12 from 7 to 6
-move 9 from 9 to 3
-move 6 from 6 to 4
-move 8 from 7 to 3
-move 3 from 7 to 4
-move 6 from 3 to 1
-move 10 from 4 to 8
-move 10 from 8 to 7
-move 2 from 3 to 7
-move 9 from 3 to 8
-move 2 from 6 to 3
-move 10 from 7 to 1
-move 3 from 4 to 6
-move 5 from 8 to 5
-move 3 from 5 to 7
-move 1 from 3 to 2
-move 1 from 2 to 6
-move 6 from 9 to 1
-move 12 from 1 to 3
-move 3 from 6 to 9
-move 3 from 1 to 7
-move 1 from 3 to 2
-move 7 from 1 to 7
-move 1 from 2 to 7
-move 2 from 6 to 4
-move 1 from 4 to 5
-move 3 from 8 to 7
-move 2 from 6 to 3
-move 2 from 6 to 1
-move 1 from 3 to 8
-move 5 from 3 to 4
-move 2 from 8 to 5
-move 14 from 7 to 4
-move 1 from 3 to 2
-move 1 from 3 to 7
-move 7 from 7 to 4
-move 2 from 5 to 3
-move 2 from 1 to 4
-move 9 from 4 to 6
-move 1 from 1 to 2
-move 4 from 9 to 4
-move 8 from 9 to 3
-move 2 from 2 to 7
-move 13 from 4 to 8
-move 4 from 4 to 1
-move 2 from 7 to 6
-move 12 from 3 to 2
-move 11 from 2 to 9
-move 6 from 4 to 9
-move 18 from 9 to 4
-move 2 from 1 to 6
-move 6 from 8 to 1
-move 13 from 6 to 5
-move 8 from 4 to 5
-move 1 from 2 to 9
-move 8 from 1 to 4
-move 7 from 4 to 8
-move 4 from 3 to 5
-move 10 from 8 to 5
-move 13 from 5 to 8
-move 12 from 4 to 5
-move 2 from 9 to 8
-move 29 from 5 to 9
-move 24 from 9 to 2
-move 23 from 2 to 4
-move 5 from 9 to 2
-move 7 from 5 to 7
-move 1 from 5 to 1
-move 7 from 4 to 8
-move 14 from 8 to 1
-move 5 from 2 to 6
-move 16 from 4 to 7
-move 8 from 1 to 6
-move 1 from 2 to 8
-move 20 from 7 to 6
-move 11 from 6 to 4
-move 3 from 1 to 5
-move 3 from 4 to 3
-move 8 from 4 to 9
-move 8 from 6 to 1
-move 2 from 1 to 4
-move 3 from 5 to 2
-move 12 from 8 to 2
-move 1 from 7 to 1
-move 1 from 3 to 5
-move 1 from 7 to 8
-move 1 from 7 to 3
-move 12 from 2 to 8
-move 13 from 6 to 4
-move 2 from 1 to 9
-move 3 from 2 to 6
-move 3 from 9 to 7
-move 5 from 9 to 1
-move 4 from 6 to 4
-move 2 from 3 to 6
-move 1 from 5 to 9
-move 1 from 6 to 7
-move 9 from 1 to 5
-move 11 from 8 to 3
-move 1 from 6 to 8
-move 3 from 7 to 1
-move 1 from 8 to 7
-move 2 from 8 to 9
-move 7 from 1 to 2
-move 17 from 4 to 7
-move 1 from 8 to 6
-move 4 from 7 to 2
-move 4 from 9 to 7
-move 4 from 2 to 3
-move 1 from 1 to 4
-move 2 from 4 to 3
-move 9 from 5 to 4
-move 1 from 6 to 8
-move 6 from 2 to 1
-move 5 from 1 to 9
-move 9 from 4 to 3
-move 1 from 4 to 6
-move 2 from 9 to 7
-move 1 from 1 to 5
-move 1 from 2 to 7
-move 1 from 8 to 9
-move 1 from 6 to 8
-move 1 from 5 to 4
-move 1 from 8 to 7
-move 23 from 3 to 7
-move 36 from 7 to 6
-move 33 from 6 to 1
-move 1 from 4 to 8
-move 7 from 1 to 5
-move 1 from 8 to 1
-move 3 from 7 to 2
-move 24 from 1 to 3
-move 7 from 7 to 3
-move 3 from 5 to 1
-move 4 from 5 to 3
-move 1 from 9 to 8
-move 2 from 9 to 6
-move 1 from 8 to 5
-move 3 from 2 to 5
-move 30 from 3 to 5
-move 1 from 6 to 7
-move 6 from 1 to 8
-move 7 from 3 to 2
-move 1 from 7 to 5
-move 2 from 3 to 2
-move 2 from 6 to 8
-move 1 from 6 to 1
-move 7 from 5 to 8
-move 8 from 8 to 7
-move 20 from 5 to 8
-move 2 from 9 to 7
-move 8 from 2 to 1
-move 7 from 7 to 3
-move 1 from 2 to 1
-move 3 from 7 to 9
-move 4 from 8 to 3
-move 5 from 5 to 6
-move 1 from 5 to 9
-move 4 from 9 to 4
-move 1 from 5 to 9
-move 2 from 3 to 6
-move 1 from 5 to 8
-move 7 from 6 to 3
-move 1 from 4 to 1
-move 7 from 3 to 2
-move 3 from 3 to 5
-move 2 from 4 to 7
--- a/ipynb/AOC/2022/input6.txt
+++ b/ipynb/AOC/2022/input6.txt
@@ -1 +0,0 @@
-qzbzwwghwhwdhdqhhbhfbfsstggdsssgzgdzzdbbbzmbzzvlldppjnjlltwtsszwswgssjnsjnnfqfzqqjzjfjmfmwfmfhfnnmdnmnllbzzlbzlzflldzdbzbsbdddpgdppzhphhjjtccjgcgrgjgcjgjjsbjbffsgsqqrsqqgppgmgcmmrdrqdqbqmmctchcgcdgdwdwcdcjcfjccmpmlpllqqpmpllhfhchppwwdmdhdphpvprrhwhgwwlrwlwggwlwqqnmqnqrrbbzdzwddqzznllzwlljsscqqtlltppqspswsttlrttnvvvwllfslsjsfjssnqnbbbvgvlltjtltjljmljjfgfbggcbgbmbjjvwjvjgvgzvvzddrjdddrwrlrlgldlhlwwcddbsbbtwwcssrnndvvsbsnbsbmbnmngnpgpphfhzhshllltqtppnrrzpzrpzzrttmbmssbrbmbsmsnspnsncscwwmjwmwdmwmrmvmqvqvjqvvnrrtntwwwwsrwrnwnrwwwlslrlhrllvpvhppdpprrgzrgzggqmqgmgvghhsmhhjljfflrflfrlrzzbjjqmmmcncddvhhzjjqzzjfzzbssjqqtsqtqccmttdhttmwtmtffspplhlrhrdhhhpghgrhrchhmgmqgqlglssvnnwrrrrqqbmmpgmpmdmmljlflzzjttqntqqcnqccrvcczffclffmvfvwvmvnvsvnvffczzljzztdtztcztctbtppmrprqprpbbhlhphphhvppvdvmddvcctvvjbvvpmpbpnpllvclvlqlwqqpcpffdwdsdttzftfddbrrgsrgsgvgpgjpggfvgfvvtqtnnscssmnnfqnnblnnjlnlbbjrrmmpgmgnnqbbcjbcjbbmjjljsjrsjrsrwrgwgpgqgccqppfdpdssffgdgwddcvdvzzpttjlttmwwhnnlntncttfvfwvvwrvrwwlhlwlvwvzvpvfpvvsbslblrlssjddwhwfhwffqjfjzfjfmfrrvsrrlbrrdfdmdwmddpnpfnpfnfppczpprzprpvpjjtltptvvrgvvsttflfvfqqhnnbmnbmmpsptpdpttrbbhjbbdnntppbsbmssgccfdfflppbcpbblclrlhrhttffvqqvvnpnmpnnrbnnhqnqrrwvwrrbvbffcvctcjcwwmzmvvtdvtvbtblbvlbvlvdvdrdsrdrprllnzznzhhcjjsgglfglgrlrwwfcfzfjzfztfztzggffjftjffcbfbhhwfwnnbssrpsppmllszstztwwgbwgbgtbgggztgztzwtztbbrffznndhdmmqggssjfssrgssbnsndnqnvqvqvjqvqttlctltvlttrzrqrrdprddpqqvppvddgmdddpldllnvvjdjcjdjvvznzqqbgqbgbpbnbvvdjvvsnndsdjjjhnhggrnnrvrvlvqllqhhsbhssvvlhlssgqgmqqcscpsspsrpsrpspvvdmvdvwwcjwwvhwvvmzvzvfvccfzczjccscbcrcjrrrsgrsspnsntsnnrnwwhdwwzhzbbwgwcgglvlttqrttvrrgprrljlddnttqrqffgdfgdgzzhghthhmdmsmtsshhsfhhgzgvzgzwzffvlffzjjrttsdddbldljlvjvjttwdwzzrbblwbbgmbmgmbggbdbsbqqwzzgnzgzczpzfztftbtwbtbsttrwrfrssbrrdqdjqdqppdsswrwttmgmllqbqnnpspjjzjjmbbsddgjgbjggqqlgqgmgdmmwcmwcmwwsddvgvpphmhqmmlvlpvlpltllphhcshhrsrgsgzssspjspplgghvvwhwgwssbhshvvscshhbccbtcbcvvmnndsdwwbzbffhmmbppfjppbsblbtlltggzczdczdzjdjpjtppwdwlwqwnwjnnvttmcmzzqccvfcvvmrmzmwmhmttgdgmsrlddnbgqfbbmrpdglpbtdqpmctzjrffvvqnltcqlfddwqhvjpzhczzwhsmjtrpgsdtqlcqsljsjzqwhcfwttgghsjqhzqlgjzgrtgttwblpprbppcpzsbntrwwmvfvbmjjrjwjqcjhnstmvwzrbnjpzznnctrtllzhtwttntjqwjnfspzccqpjlzbncgbjjjztbgfmzflzsqflflcrfhtlsgbdfdbtwwqfdrqhzmmqdqthwzwqqqzddfvbwhnqwqtgwhtzlqqpwhcjhglcmmncvfcmqdwnzzmjbflwjrcjzwcblftzrpdcjzcmtzccjbsqmcnfmbsmrvlhswnmrqdczvvzzcnffgljdbtlvjgrqttcjhjmcdllnvhcdpztqghfgvjcqmqvmdwhcgrtwpjlmjfbqmnjnbvvjczcwfcrhcgzmsvmjlplcpghnqtpzddnwtmrwmqwbttsnlngszfbnslqvlbzbfzqnjpdvcdpmjpmmjhvzwwgzfjfqwbqwrznhsdpjgsvzlsrtlmhjrfnwrmljlqzwnfnsmqtzfsldwrgmbrrvcmmmdmwflwnvpwsrrstmffwbtwqmjzdnzbwmqfrfdgsmhzhprdsgsqtljqhtdqmvnzlwhrrqqftbvnhmjnzvmbdqpjhzjnszgcfptfcmthpfcvfvdmwdswzfgwjblglfbpfvvwrmnzlcvtgqbcrhfqlffrznnhbtbwdwdldthbhdsqvnghpqdlvpfmzhjbtdhfmrdzpghtppmvddnphcnnczvznwzrvtcwvpslhrhmhzbzqtjqjvdpwncjbqdnwwpnfblqtqdwwqncbvtsncfhgncrprvhvzppwjfpdmtdrmtfcqdmdhwzrhpnrvspfbzhsvlpwzgrrhnrllhmpcdfcqdhcnphlffpbfmbsznmvfdgshbsjcjjvhqqfpmjgpdpcrglbqdrnqmftqtnwcsgqzdwntfplsnlhdbdmcgwfldzzgmzjsdnldbnlnhjqhpmnsljsbhrglhjbbrmlhrmjnvzhnlvnfpdzfzwwdpzwhnqhlbqhrgfmvzpctdvscqbgznzdsvvvvcjnmbzlvsptslmqnggqjcmgvtgbnrzlmzqzmtdfvhjqqcpvbngmngjvrtcfvsmbvthvhmdcfhthmnjcvsvmsbwsjtmrwshspcsmnhvzqvglntngbmgtdngbvvcjrznpdmmsssljnnqjwwfzgwtlfqqpsqghjgrghldrcdmcqvqdjsfrfrnlnvltpfjhmcclwbsdcbmvmlnwltztfggzmrtnsczwvqgpqtwffmphprgrmjlnftlgqjvrngbcndlmrblmvcjsdhdcmtgsztjttpbgcznfcgdwfwdnqmrrjgdgrgshjfjqrbsjdhblvrqhlfphnbdslrjszcnpfhhwrfhhdvqbjpsmzznzbtbsgcggtctfbsrscvzlplfhlwjlrmzhbwjqhffdhrwcdctwvttwqzbdtrhdhdvtgvdbzjtqvdgbpwtzqqqnljztgpbjjcrgdgmrrsfvngcdbgzvcfpdppbgfrmmdnqdvtlwwglmghjwfjjrwjfnwgwdplbmlfljhsmshwvvvtdnvfcbbwplwnvzfcjwgsrrlctpsrhprttcjgcmfsjggfvbbljsbjtzplvjdwnwgsgvvntjwdwdqbwmtnnlgdcmfcccnwnrjlqtznjhdzwfpbzhjdmwwpcmffcwsnpfhmgqgwwnvpmqvrdfhlqtghrrbggdmtvpqgqsspmchnrqnrmqlddnspcdrwqpvclhrvjtzhpvthpltwqqbrdfjtnwncwrmdqszdpmmdzmjwjvqnfszvbchfdvwzhtrfgfhfmgwprdpqgmbfntsqztvqmtjvgbsjvzsbhfznbbzrstqbrrmqdjcztmfpnwbmvtccmvlhtvmgfdzcchbccrzznscbdwrdtnpslvcqmgrrvwhnjgjdpvbfgsdtdcmhpnwfwnnntqjqnwzfwnhsrjbhtqtlncvsnhgvtntfwldqfzztcdctsscfdmtnmdqgqgwmtqhlmswtqrvqbchdwtjsdlqjvfjdtmzlvrzwvfprzvjzrrfn
--- a/ipynb/AOC/2022/input7.txt
+++ b/ipynb/AOC/2022/input7.txt
--- a/ipynb/AOC/2022/input8.txt
+++ b/ipynb/AOC/2022/input8.txt
@@ -1,99 +0,0 @@
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--- a/ipynb/AOC/2022/input9.txt
+++ b/ipynb/AOC/2022/input9.txt
--- a/ipynb/Advent-2016.ipynb
+++ b/ipynb/Advent-2016.ipynb
--- a/ipynb/Advent-2021.ipynb
+++ b/ipynb/Advent-2021.ipynb
--- a/ipynb/Advent-2022.ipynb
+++ b/ipynb/Advent-2022.ipynb
--- a/ipynb/Advent-2025-AI.ipynb
+++ b/ipynb/Advent-2025-AI.ipynb
--- a/ipynb/Advent-2025.ipynb
+++ b/ipynb/Advent-2025.ipynb
--- a/ipynb/AdventUtils.ipynb
+++ b/ipynb/AdventUtils.ipynb
@@ -4,7 +4,7 @@
   "cell_type": "markdown",
   "metadata": {},
   "source": [
-    "<div style=\"text-align: right\" align=\"right\"><i>Peter Norvig<br>Decembers 2016–2023</i></div>\n",
+    "<div style=\"text-align: right\" align=\"right\"><i>Peter Norvig<br>Decembers 2016–2025</i></div>\n",
    "\n",
    "# Advent of Code Utilities\n",
    "\n",
@@ -15,15 +15,15 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "from collections import Counter, defaultdict, namedtuple, deque, abc\n",
    "from dataclasses import dataclass, field\n",
    "from itertools   import permutations, combinations, cycle, chain, islice, accumulate\n",
-    "from itertools   import count as count_from, product as cross_product\n",
-    "from typing      import *\n",
+    "from itertools   import takewhile, count as count_from, product as cross_product\n",
+    "from typing      import Iterable, Iterator, Sequence, Collection, Callable\n",
    "from statistics  import mean, median\n",
    "from math        import ceil, floor, factorial, gcd, log, log2, log10, sqrt, inf, atan2\n",
    "\n",
@@ -62,34 +62,38 @@
    "   - Applies `parser` to each section and returns the results as a tuple of records.\n",
    "       - Useful parser functions include `ints`, `digits`, `atoms`, `words`, and the built-ins `int` and `str`.\n",
    "   - Prints the first few input lines and output records. This is useful to me as a debugging tool, and to the reader.\n",
-    "   - The defaults are `parser=str, sections=lines`, so by default `parse(n)` gives a tuple of lines from fuile *day*."
+    "   - The defaults are `parser=str, sections=lines`, so by default `parse(n)` gives a tuple of lines from file \"AOC/*year*/input*n*.txt\""
   ]
  },
  {
   "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
-    "current_year = 2023    # Subdirectory name for input files\n",
+    "current_year = 2025    # Subdirectory name for input files\n",
    "\n",
    "lines = str.splitlines # By default, split input text into lines\n",
    "\n",
    "def paragraphs(text): \"Split text into paragraphs\"; return text.split('\\n\\n')\n",
    "\n",
-    "def parse(day: Union[int, str], parser=str, sections=lines, show=8) -> tuple:\n",
+    "def parse(day: int | str, parser=str, sections=lines, show=8) -> tuple:\n",
    "    \"\"\"Split the input text into `sections`, and apply `parser` to each.\n",
    "    The first argument is either the text itself, or the day number of a text file.\"\"\"\n",
    "    if isinstance(day, str) and show == 8: \n",
    "        show = 0 # By default, don't show lines when parsing example text.\n",
+    "    if sections == None:\n",
+    "        sections = lambda text: [text]\n",
    "    text = get_text(day)\n",
    "    show_items('Puzzle input', text.splitlines(), show)\n",
    "    records = mapt(parser, sections(text.rstrip()))\n",
    "    if parser != str or sections != lines:\n",
    "        show_items('Parsed representation', records, show)\n",
+    "    if show:\n",
+    "        print(dash_line)\n",
    "    return records\n",
    "\n",
-    "def get_text(day_or_text: Union[int, str]) -> str:\n",
+    "def get_text(day_or_text: int | str) -> str:\n",
    "    \"\"\"The text used as input to the puzzle: either a string or the day number,\n",
    "    which denotes the file 'AOC/year/input{day}.txt'.\"\"\"\n",
    "    if isinstance(day_or_text, str):\n",
@@ -98,16 +102,28 @@
    "        filename = f'AOC/{current_year}/input{day_or_text}.txt'\n",
    "        return pathlib.Path(filename).read_text()\n",
    "\n",
-    "def show_items(source, items, show:int, hr=\"─\"*100):\n",
+    "dash_line = \"─\" * 100\n",
+    "\n",
+    "def show_items(source, items, show:int):\n",
    "    \"\"\"Show the first few items, in a pretty format.\"\"\"\n",
    "    if show:\n",
    "        types = Counter(map(type, items))\n",
    "        counts = ', '.join(f'{n} {t.__name__}{\"\" if n == 1 else \"s\"}' for t, n in types.items())\n",
-    "        print(f'{hr}\\n{source} ➜ {counts}:\\n{hr}')\n",
+    "        if len(types) == 1 and hasattr(items[0], '__len__'):\n",
+    "            size = f' of size {describe_range(mapt(len, items))}'\n",
+    "        elif len(types) == 1 and hasattr(items[0], '__lt__'):\n",
+    "            size = f' in range {min(items)} to {max(items)}'\n",
+    "        else:\n",
+    "            size = ''\n",
+    "        print(f'{dash_line}\\n{source} ➜ {counts}{size}:\\n{dash_line}')\n",
    "        for line in items[:show]:\n",
    "            print(truncate(line))\n",
    "        if show < len(items):\n",
-    "            print('...')"
+    "            print('...')\n",
+    "\n",
+    "def describe_range(numbers) -> str:\n",
+    "    mini, maxi = min(numbers), max(numbers)\n",
+    "    return str(mini) if mini == maxi else f'{mini} to {maxi}'     "
   ]
  },
  {
@@ -119,42 +135,31 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 4,
   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "((9, 5), (123, 456))"
-      ]
-     },
-     "execution_count": 18,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
   "source": [
-    "Char = str # Intended as the type of a one-character string\n",
-    "Atom = Union[str, float, int] # The type of a string or number\n",
+    "Char = str               # Intended as the type of a one-character string\n",
+    "Atom = str | float | int # The type of a string or number\n",
    "Ints = Sequence[int]\n",
    "\n",
-    "def ints(text: str) -> Tuple[int]:\n",
+    "def ints(text: str) -> tuple[int]:\n",
    "    \"\"\"A tuple of all the integers in text, ignoring non-number characters.\"\"\"\n",
    "    return mapt(int, re.findall(r'-?[0-9]+', text))\n",
    "\n",
-    "def positive_ints(text: str) -> Tuple[int]:\n",
+    "def positive_ints(text: str) -> tuple[int]:\n",
    "    \"\"\"A tuple of all the integers in text, ignoring non-number characters.\"\"\"\n",
    "    return mapt(int, re.findall(r'[0-9]+', text))\n",
    "\n",
-    "def digits(text: str) -> Tuple[int]:\n",
+    "def digits(text: str) -> tuple[int]:\n",
    "    \"\"\"A tuple of all the digits in text (as ints 0–9), ignoring non-digit characters.\"\"\"\n",
    "    return mapt(int, re.findall(r'[0-9]', text))\n",
    "\n",
-    "def words(text: str) -> Tuple[str]:\n",
+    "def words(text: str) -> tuple[str]:\n",
    "    \"\"\"A tuple of all the alphabetic words in text, ignoring non-letters.\"\"\"\n",
    "    return tuple(re.findall(r'[a-zA-Z]+', text))\n",
    "\n",
-    "def atoms(text: str) -> Tuple[Atom]:\n",
+    "def atoms(text: str) -> tuple[Atom]:\n",
    "    \"\"\"A tuple of all the atoms (numbers or identifiers) in text. Skip punctuation.\"\"\"\n",
    "    return mapt(atom, re.findall(r'[+-]?\\d+\\.?\\d*|\\w+', text))\n",
    "\n",
@@ -178,7 +183,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -196,19 +201,26 @@
    "        \n",
    "    def check(self) -> bool:\n",
    "        \"\"\"Check if the code computes the correct solution; record run time.\"\"\"\n",
-    "        start     = time.time()\n",
-    "        self.got  = self.code()\n",
-    "        self.secs = time.time() - start\n",
-    "        self.ok   = (self.got == self.solution)\n",
+    "        start      = time.time()\n",
+    "        self.got   = self.code()\n",
+    "        self.msecs = (time.time() - start) * 1000.\n",
+    "        self.ok    = (self.got == self.solution)\n",
    "        return self.ok\n",
    "    \n",
    "    def __repr__(self) -> str:\n",
    "        \"\"\"The repr of an answer shows what happened.\"\"\"\n",
-    "        secs    = f'{self.secs:7.4f}'.replace(' 0.', '  .')\n",
-    "        comment = (f'' if self.got == unknown else\n",
-    "                   f' ok' if self.ok else \n",
-    "                   f' WRONG; expected answer is {self.solution}')\n",
-    "        return f'Puzzle {self.puzzle:4.1f}: {secs} seconds, answer {self.got:<15}{comment}'"
+    "        correct  = 'correct' if self.ok else 'WRONG!!'\n",
+    "        expected = ''        if self.ok else f'; EXPECTED: {self.solution}'\n",
+    "        return f'Puzzle {self.puzzle:4.1f}: {self.msecs:7,.1f} msec, {correct} answer: {self.got:<15}{expected}'\n",
+    "\n",
+    "def summary(answers: dict):\n",
+    "    \"\"\"Summary report on the answers.\"\"\"\n",
+    "    times = [answer.msecs for answer in answers.values()]\n",
+    "    def stat(fn, times): return f'{fn.__name__} = {fn(times):,.1f}'\n",
+    "    stats = [stat(fn, times) for fn in (sum, mean, median, max)]\n",
+    "    print(f'Time in milliseconds: {\", \".join(stats)}\\n')\n",
+    "    for day in sorted(answers):\n",
+    "        print(answers[day])"
   ]
  },
  {
@@ -222,9 +234,20 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 7,
   "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'+20 -30'"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
   "source": [
    "class multimap(defaultdict):\n",
    "    \"\"\"A mapping of {key: [val1, val2, ...]}.\"\"\"\n",
@@ -244,7 +267,7 @@
    "        result *= x\n",
    "    return result\n",
    "\n",
-    "def T(matrix: Sequence[Sequence]) -> List[Tuple]:\n",
+    "def T(matrix: Sequence[Sequence]) -> list[tuple]:\n",
    "    \"\"\"The transpose of a matrix: T([(1,2,3), (4,5,6)]) == [(1,4), (2,5), (3,6)]\"\"\"\n",
    "    return list(zip(*matrix))\n",
    "\n",
@@ -252,7 +275,7 @@
    "    \"\"\"The sum of all the counts in a Counter.\"\"\"\n",
    "    return sum(counter.values())\n",
    "\n",
-    "def minmax(numbers) -> Tuple[int, int]:\n",
+    "def minmax(numbers) -> tuple[int, int]:\n",
    "    \"\"\"A tuple of the (minimum, maximum) of numbers.\"\"\"\n",
    "    numbers = list(numbers)\n",
    "    return min(numbers), max(numbers)\n",
@@ -270,11 +293,11 @@
    "        if i > 1: raise ValueError(f'Expected exactly one item in the sequence.')\n",
    "    return item\n",
    "\n",
-    "def split_at(sequence, i) -> Tuple[Sequence, Sequence]:\n",
+    "def split_at(sequence, i) -> tuple[Sequence, Sequence]:\n",
    "    \"\"\"The sequence split into two pieces: (before position i, and i-and-after).\"\"\"\n",
    "    return sequence[:i], sequence[i:]\n",
    "\n",
-    "def ignore(*args) -> None: \"Just return None.\"; return None\n",
+    "def ignore(*args) -> None: \"Ignore arguments.\"\n",
    "\n",
    "def is_int(x) -> bool: \"Is x an int?\"; return isinstance(x, int)  \n",
    "\n",
@@ -284,18 +307,27 @@
    "\n",
    "def union(sets) -> set: \"Union of several sets\"; return set().union(*sets)\n",
    "\n",
+    "unique = set # Find the unique elements in a collection\n",
+    "\n",
    "def intersection(sets):\n",
    "    \"Intersection of several sets; error if no sets.\"\n",
    "    first, *rest = sets\n",
    "    return set(first).intersection(*rest)\n",
    "\n",
-    "def accumulate_counts(item_count_pairs: Iterable[Tuple[object, int]]) -> Counter:\n",
+    "def accumulate_counts(item_count_pairs: Iterable[tuple[object, int]]) -> Counter:\n",
    "    \"\"\"Add up all the (item, count) pairs into a Counter.\"\"\"\n",
    "    counter = Counter()\n",
    "    for (item, count) in item_count_pairs:\n",
    "        counter[item] += count\n",
    "    return counter\n",
    "\n",
+    "def accumulate_lists(key_value_pairs: Iterable[tuple[object, object]]) -> defaultdict:\n",
+    "    \"\"\"Add up all the (item, count) pairs into a Counter.\"\"\"\n",
+    "    dic = defaultdict(list)\n",
+    "    for (key, value) in key_value_pairs:\n",
+    "        dic[key].append(value)\n",
+    "    return dic\n",
+    "\n",
    "def range_intersection(range1, range2) -> range:\n",
    "    \"\"\"Return a range that is the intersection of these two ranges.\"\"\"\n",
    "    return range(max(range1.start, range2.start), min(range1.stop, range2.stop))\n",
@@ -318,17 +350,15 @@
    "    \"\"\"Invert a dict, e.g. {1: 'a', 2: 'b'} -> {'a': 1, 'b': 2}.\"\"\"\n",
    "    return {dic[x]: x for x in dic}\n",
    "\n",
-    "def walrus(name, value):\n",
-    "    \"\"\"If you're not in 3.8 or more, and you can't do `x := val`,\n",
-    "    then you can use `walrus('x', val)`, if `x` is global.\"\"\"\n",
-    "    globals()[name] = value\n",
-    "    return value\n",
-    "\n",
    "def truncate(object, width=100, ellipsis=' ...') -> str:\n",
    "    \"\"\"Use elipsis to truncate `str(object)` to `width` characters, if necessary.\"\"\"\n",
    "    string = str(object)\n",
    "    return string if len(string) <= width else string[:width-len(ellipsis)] + ellipsis\n",
    "\n",
+    "def translate(text: str, *args) -> str:\n",
+    "    \"\"\"Do a `text.translate`, using a `str.maketrans` of args.\"\"\"\n",
+    "    return text.translate(str.maketrans(*args))\n",
+    "\n",
    "def mapt(function: Callable, *sequences) -> tuple:\n",
    "    \"\"\"`map`, with the result as a tuple.\"\"\"\n",
    "    return tuple(map(function, *sequences))\n",
@@ -337,12 +367,14 @@
    "    \"\"\"`map`, with the result as a list.\"\"\"\n",
    "    return list(map(function, *sequences))\n",
    "\n",
-    "def cat(things: Collection) -> str:\n",
+    "def cat(things: Collection, sep='') -> str:\n",
    "    \"\"\"Concatenate the things.\"\"\"\n",
-    "    return ''.join(map(str, things))\n",
+    "    return sep.join(map(str, things))\n",
    "    \n",
    "cache   = functools.lru_cache(None)\n",
-    "Ø       = frozenset() # empty set"
+    "Ø       = frozenset() # empty set\n",
+    "\n",
+    "translate('R20 L30', 'RL', '+-')"
   ]
  },
  {
@@ -356,7 +388,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -392,11 +424,11 @@
    "    \"\"\"All length-n subsequences of sequence.\"\"\"\n",
    "    return (sequence[i:i+n] for i in range(len(sequence) + 1 - n))\n",
    "\n",
-    "def first(iterable, default=None) -> Optional[object]: \n",
+    "def first(iterable, default=None) -> object: \n",
    "    \"\"\"The first element in an iterable, or the default if iterable is empty.\"\"\"\n",
    "    return next(iter(iterable), default)\n",
    "\n",
-    "def last(iterable) -> Optional[object]: \n",
+    "def last(iterable) -> object: \n",
    "    \"\"\"The last element in an iterable.\"\"\"\n",
    "    for item in iterable:\n",
    "        pass\n",
@@ -416,18 +448,18 @@
   "cell_type": "markdown",
   "metadata": {},
   "source": [
-    "# Points in Space\n",
+    "# Points in 2D or 3D Space\n",
    "\n",
-    "Many puzzles involve points; usually two-dimensional points on a plane. A few puzzles involve three-dimensional points, and perhaps one might involve non-integers, so I'll try to make my `Point` implementation flexible in a duck-typing way. A point can also be considered a `Vector`; that is, `(1, 0)` can be a `Point` that means \"this is location x=1, y=0 in the plane\" and it also can be a `Vector` that means \"move Eat (+1 in the along the x axis).\" First we'll define points/vectors:"
+    "Many puzzles involve points; usually two-dimensional points on a plane. A few puzzles involve three-dimensional points, and perhaps one might involve non-integers, so I'll try to make my `Point` implementation flexible in a duck-typing way. A point can also be considered a `Vector`; that is, `(1, 0)` can be a `Point` that means \"this is location x=1, y=0 in the plane\" and it also can be a `Vector` that means \"move East (+1 along the x axis).\" "
   ]
  },
  {
   "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
-    "Point  = Tuple[int, ...]      # Type for points\n",
+    "Point  = tuple[int, ...]      # Type for points (either 2D, 3D or more.)\n",
    "Vector = Point                # E.g., (1, 0) can be a point, or can be a direction, a Vector\n",
    "Zero   = (0, 0)\n",
    "\n",
@@ -443,21 +475,28 @@
    "def Y_(point) -> int: \"Y coordinate of a point\"; return point[1]\n",
    "def Z_(point) -> int: \"Z coordinate of a point\"; return point[2]\n",
    "\n",
-    "def Xs(points) -> Tuple[int]: \"X coordinates of a collection of points\"; return mapt(X_, points)\n",
-    "def Ys(points) -> Tuple[int]: \"Y coordinates of a collection of points\"; return mapt(Y_, points)\n",
-    "def Zs(points) -> Tuple[int]: \"X coordinates of a collection of points\"; return mapt(Z_, points)\n",
+    "def Xs(points) -> tuple[int]: \"X coordinates of a collection of points\"; return mapt(X_, points)\n",
+    "def Ys(points) -> tuple[int]: \"Y coordinates of a collection of points\"; return mapt(Y_, points)\n",
+    "def Zs(points) -> tuple[int]: \"X coordinates of a collection of points\"; return mapt(Z_, points)\n",
    "\n",
+    "# Basic arithmetic on points:\n",
    "def add(p: Point, q: Point) -> Point:  \"Add points\";      return mapt(operator.add, p, q)\n",
    "def sub(p: Point, q: Point) -> Point:  \"Subtract points\"; return mapt(operator.sub, p, q)\n",
    "def neg(p: Point)           -> Vector: \"Negate a point\";  return mapt(operator.neg, p)\n",
-    "def mul(p: Point, k: float) -> Vector: \"Scalar multiply\"; return tuple(k * c for c in p)\n",
+    "def mul(p: Point, k: float) -> Vector: \"Scalar multiply\"; return Point(k * c for c in p)\n",
    "\n",
+    "# Basic arithmetic on 2D points only; here for efficiency:\n",
+    "def add2(p: Point, q: Point) -> Point:  \"Add points\";      return (p[0] + q[0], p[1] + q[1])\n",
+    "def sub2(p: Point, q: Point) -> Point:  \"Subtract points\"; return (p[0] - q[0], p[1] - q[1])\n",
+    "def neg2(p: Point)           -> Vector: \"Negate a point\";  return (-p[0], -p[1])\n",
+    "def mul2(p: Point, k: float) -> Vector: \"Scalar multiply\"; return (k * p[0], k * p[1])\n",
+    "    \n",
    "def distance(p: Point, q: Point) -> float:\n",
    "    \"\"\"Euclidean (L2) distance between two points.\"\"\"\n",
    "    d = sum((pi - qi) ** 2 for pi, qi in zip(p, q)) ** 0.5\n",
    "    return int(d) if d.is_integer() else d\n",
    "\n",
-    "def slide(points: Set[Point], delta: Vector) -> Set[Point]: \n",
+    "def slide(points: set[Point], delta: Vector) -> set[Point]: \n",
    "    \"\"\"Slide all the points in the set of points by the amount delta.\"\"\"\n",
    "    return {add(p, delta) for p in points}\n",
    "\n",
@@ -469,14 +508,6 @@
    "# Profiling found that `add` and `taxi_distance` were speed bottlenecks; \n",
    "# I define below versions that are specialized for 2D points only.\n",
    "\n",
-    "def add2(p: Point, q: Point) -> Point: \n",
-    "    \"\"\"Specialized version of point addition for 2D Points only. Faster.\"\"\"\n",
-    "    return (p[0] + q[0], p[1] + q[1])\n",
-    "\n",
-    "def sub2(p: Point, q: Point) -> Point: \n",
-    "    \"\"\"Specialized version of point subtraction for 2D Points only. Faster.\"\"\"\n",
-    "    return (p[0] - q[0], p[1] - q[1])\n",
-    "\n",
    "def taxi_distance(p: Point, q: Point) -> int:\n",
    "    \"\"\"Manhattan (L1) distance between two 2D Points.\"\"\"\n",
    "    return abs(p[0] - q[0]) + abs(p[1] - q[1])"
@@ -502,13 +533,24 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 12,
   "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{}"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
   "source": [
    "class Grid(dict):\n",
    "    \"\"\"A 2D grid, implemented as a mapping of {(x, y): cell_contents}.\"\"\"\n",
-    "    def __init__(self, grid=(), directions=directions4, skip=(), default=None):\n",
+    "    def __init__(self, grid=(), directions=directions4, skip=(), default=None, size=None):\n",
    "        \"\"\"Initialize one of four ways: \n",
    "        `Grid({(0, 0): '#', (1, 0): '.', ...})`\n",
    "        `Grid(another_grid)\n",
@@ -517,13 +559,15 @@
    "        self.directions = directions\n",
    "        self.skip = skip\n",
    "        self.default = default\n",
-    "        if isinstance(grid, abc.Mapping): \n",
+    "        if not grid:\n",
+    "            pass\n",
+    "        elif isinstance(grid, abc.Mapping): \n",
    "            self.update(grid) \n",
-    "            self.size = (len(cover(Xs(self))), len(cover(Ys(self))))\n",
+    "            self.size = size or (len(cover(Xs(self))), len(cover(Ys(self))))\n",
    "        else:\n",
    "            if isinstance(grid, str): \n",
    "                grid = grid.splitlines()\n",
-    "            self.size = (max(map(len, grid)), len(grid))\n",
+    "            self.size = size or (max(map(len, grid)), len(grid))\n",
    "            self.update({(x, y): val \n",
    "                         for y, row in enumerate(grid) \n",
    "                         for x, val in enumerate(row)\n",
@@ -549,7 +593,7 @@
    "    def copy(self): \n",
    "        return Grid(self, directions=self.directions, skip=self.skip, default=self.default)\n",
    "    \n",
-    "    def neighbors(self, point) -> List[Point]:\n",
+    "    def neighbors(self, point) -> list[Point]:\n",
    "        \"\"\"Points on the grid that neighbor `point`.\"\"\"\n",
    "        return [add2(point, Δ) for Δ in self.directions \n",
    "                if add2(point, Δ) in self or self.default not in (KeyError, None)]\n",
@@ -558,11 +602,11 @@
    "        \"\"\"The contents of the neighboring points.\"\"\"\n",
    "        return [self[p] for p in self.neighbors(point)]\n",
    "\n",
-    "    def findall(self, contents: Collection) -> List[Point]:\n",
+    "    def findall(self, contents: Collection) -> list[Point]:\n",
    "        \"\"\"All points that contain one of the given contents, e.g. grid.findall('#').\"\"\"\n",
    "        return [p for p in self if self[p] in contents]\n",
    "    \n",
-    "    def to_rows(self, xrange=None, yrange=None) -> List[List[object]]:\n",
+    "    def to_rows(self, xrange=None, yrange=None) -> list[list[object]]:\n",
    "        \"\"\"The contents of the grid, as a rectangular list of lists.\n",
    "        You can define a window with an xrange and yrange; or they default to the whole grid.\"\"\"\n",
    "        xrange = xrange or cover(Xs(self))\n",
@@ -583,7 +627,7 @@
    "        for m in markers:\n",
    "            plt.plot(*T(p for p in self if self[p] == m), markers[m], **kwds)\n",
    "            \n",
-    "def neighbors(point, directions=directions4) -> List[Point]:\n",
+    "def neighbors(point, directions=directions4) -> list[Point]:\n",
    "    \"\"\"Neighbors of this point, in the given directions.\n",
    "    (This function can be used outside of a Grid class.)\"\"\"\n",
    "    return [add(point, Δ) for Δ in directions]"
@@ -601,12 +645,12 @@
    "- Some neeed to know the sequence of intermediate states. \n",
    "- Some need to know the number of steps (or the total cost) to get to the final state.\n",
    "\n",
-    "But sometimes you need all of that (or you think you might need it in Part 2), and sometimes you have a good heuristic estimate of the distance to a goal state, and you want to make sure to use it. If that's the case, then my `SearchProblem` class and `A_star_search` function may be approopriate."
+    "But sometimes you need all of that (or you think you might need it in Part 2), and sometimes you have a good heuristic estimate of the distance to a goal state, and you want to make sure to use it. If that's the case, then my `SearchProblem` class and `A_star_search` function may be appropriate."
   ]
  },
  {
   "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -634,7 +678,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -711,7 +755,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -740,7 +784,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -755,7 +799,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -770,7 +814,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -791,7 +835,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -872,7 +916,7 @@
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
-   "version": "3.8.15"
+   "version": "3.13.3"
  }
 },
 "nbformat": 4,
--- a/ipynb/Bike-Stats.ipynb
+++ b/ipynb/Bike-Stats.ipynb
--- a/ipynb/BikeCode.ipynb
+++ b/ipynb/BikeCode.ipynb
@@ -13,7 +13,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -42,7 +42,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -67,7 +67,7 @@
    "    return rides.assign(\n",
    "        mph=round(mi / hr, 2),\n",
    "        vam=round(ft / hr / 3.28084),\n",
-    "        fpmi=round(ft / mi),\n",
+    "        ftpmi=round(ft / mi),\n",
    "        pct=round(ft / mi * 100 / 5280, 2),\n",
    "        kms=round(mi * 1.609, 2),\n",
    "        meters=round(ft * 0.3048))\n",
@@ -80,17 +80,50 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 6,
-   "metadata": {},
+   "execution_count": 9,
+   "metadata": {
+    "scrolled": true
+   },
   "outputs": [],
   "source": [
-    "rides  = parse_rides(open('bikerides.tsv'))\n",
+    "from datetime import datetime, timedelta\n",
+    "date_format = \"%b %d, %Y, %I:%M:%S %p\"\n",
    "\n",
-    "yearly = parse_rides(open('bikeyears.tsv')).drop(columns='date')\n",
+    "rides  = parse_rides('bikerides.tsv')\n",
+    "\n",
+    "yearly = parse_rides('bikeyears.tsv').drop(columns='date')\n",
    "\n",
    "daily  = yearly.copy()\n",
-    "for name in 'hours miles feet kms meters'.split():\n",
-    "    daily[name] = round(daily[name].map(lambda x: x / (6 * 50)), 1)"
+    "days = 300\n",
+    "for name in 'hours miles feet rides kms meters'.split():\n",
+    "    daily[name] = round(daily[name].map(lambda x: x / days), 1)\n",
+    "\n",
+    "df = pd.read_table('activities.csv', delimiter=',')\n",
+    "pd.options.mode.copy_on_write = True\n",
+    "fields = ['Activity Date', 'Activity Name', 'Moving Time', 'Distance', 'Elevation Gain', 'Elapsed Time']\n",
+    "df2 = df[fields]\n",
+    "\n",
+    "def to_clock(seconds: int) -> str:\n",
+    "    rest, s = divmod(round(seconds), 60)\n",
+    "    h, m = divmod(rest, 60)\n",
+    "    return f'{h:02d}:{m:02d}:{s:02d}'\n",
+    "\n",
+    "to_clock(121 + 60*60*7)\n",
+    "\n",
+    "def compute_end_time(row, timezone=-7):\n",
+    "    start = datetime.strptime(row['Activity Date'], date_format)\n",
+    "    delta = timedelta(seconds=row['Moving Time'], hours=timezone)\n",
+    "    return (start + delta).strftime(date_format)\n",
+    "\n",
+    "def add_timezone(row, timezone=-7):\n",
+    "    start = datetime.strptime(row['Activity Date'], date_format)\n",
+    "    delta = timedelta(hours=timezone)\n",
+    "    return (start + delta).strftime(date_format)\n",
+    "    \n",
+    "df2['End Time'] = df2.apply(compute_end_time, axis=1)\n",
+    "df2['Activity Date'] = df2.apply(add_timezone, axis=1)\n",
+    "\n",
+    "df2 = df2.drop('Elapsed Time', axis=1)"
   ]
  },
  {
@@ -110,7 +143,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -127,7 +160,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -146,13 +179,15 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 25,
   "metadata": {},
   "outputs": [],
   "source": [
    "segments = parse_segments(open('bikesegments.csv'))\n",
    "\n",
    "tiles = drop_index(pd.DataFrame(columns='date square cluster total comment'.split(), data=[\n",
+    "    ('01/01/2026', 14, 1446, 3634, 'Start of 2026'),\n",
+    "    ('08/29/2025', 14, 1424, 3594, 'Mt Madonna!15631499842'),\n",
    "    ('01/01/2025', 14, 1395, 3520, 'Start of 2025'),\n",
    "    ('09/21/2024', 14, 1394, 3496, 'Michael J. Fox ride in Sonoma!12470434052'),\n",
    "    ('04/28/2024', 14, 1275, 3382, 'Livermore!11287081291'),\n",
@@ -178,7 +213,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -218,18 +253,19 @@
   "cell_type": "markdown",
   "metadata": {},
   "source": [
-    "# Wandrer Places "
+    "# Wandrer Places (No Longer Used)"
   ]
  },
  {
   "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "def mapl(f, *values): return list(map(f, *values))\n",
    "\n",
-    "places   = drop_index(pd.read_table(open('bikeplaceshort.csv'), sep=',', comment='#'))\n",
+    "places = None\n",
+    "#places   = drop_index(pd.read_table(open('bikeplaceshort.csv'), sep=',', comment='#'))\n",
    "\n",
    "def wandrer(places=places, by=['pct', 'name'], ascending=[False, True], county=None):\n",
    "    \"All those who wander are not lost.\" # Also try by=['county', 'pct']\n",
@@ -276,7 +312,9 @@
    "            else f'{round(x):,d}' if x > 10 \n",
    "            else f'{x:.1f}')\n",
    "\n",
-    "other_places = places[~places.county.isin(['---', 'SMC', 'SCC', 'SFC', 'ALA'])]"
+    "#other_places = places[~places.county.isin(['---', 'SMC', 'SCC', 'SFC', 'ALA'])]\n",
+    "\n",
+    "# wandrer(county='SMC') # Also, SCC, ALA, SFC, '---'"
   ]
  },
  {
@@ -288,21 +326,252 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": 42,
   "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>Name</th>\n",
+       "      <th>SMC %</th>\n",
+       "      <th>SCC %</th>\n",
+       "      <th>SMC Rank</th>\n",
+       "      <th>SCC Rank</th>\n",
+       "      <th>SMC miles</th>\n",
+       "      <th>SCC miles</th>\n",
+       "      <th>Total miles</th>\n",
+       "      <th>Mean %</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Peter Norvig</td>\n",
+       "      <td>78.80</td>\n",
+       "      <td>38.83</td>\n",
+       "      <td>2</td>\n",
+       "      <td>5</td>\n",
+       "      <td>2251</td>\n",
+       "      <td>2978</td>\n",
+       "      <td>5229</td>\n",
+       "      <td>58.81</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Megan Gardner</td>\n",
+       "      <td>100.00</td>\n",
+       "      <td>30.26</td>\n",
+       "      <td>1</td>\n",
+       "      <td>11</td>\n",
+       "      <td>2856</td>\n",
+       "      <td>2321</td>\n",
+       "      <td>5177</td>\n",
+       "      <td>65.13</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Chris Okeefe</td>\n",
+       "      <td>32.95</td>\n",
+       "      <td>51.32</td>\n",
+       "      <td>18</td>\n",
+       "      <td>2</td>\n",
+       "      <td>941</td>\n",
+       "      <td>3936</td>\n",
+       "      <td>4877</td>\n",
+       "      <td>42.14</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Brian Feinberg</td>\n",
+       "      <td>38.10</td>\n",
+       "      <td>48.22</td>\n",
+       "      <td>14</td>\n",
+       "      <td>4</td>\n",
+       "      <td>1088</td>\n",
+       "      <td>3698</td>\n",
+       "      <td>4786</td>\n",
+       "      <td>43.16</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Barry Mann</td>\n",
+       "      <td>78.06</td>\n",
+       "      <td>32.33</td>\n",
+       "      <td>3</td>\n",
+       "      <td>12</td>\n",
+       "      <td>2230</td>\n",
+       "      <td>2479</td>\n",
+       "      <td>4709</td>\n",
+       "      <td>55.20</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Jason Molenda</td>\n",
+       "      <td>7.60</td>\n",
+       "      <td>56.16</td>\n",
+       "      <td>-</td>\n",
+       "      <td>3</td>\n",
+       "      <td>217</td>\n",
+       "      <td>4307</td>\n",
+       "      <td>4524</td>\n",
+       "      <td>31.88</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Jim Brooks</td>\n",
+       "      <td>6.17</td>\n",
+       "      <td>53.52</td>\n",
+       "      <td>-</td>\n",
+       "      <td>1</td>\n",
+       "      <td>176</td>\n",
+       "      <td>4104</td>\n",
+       "      <td>4280</td>\n",
+       "      <td>29.85</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>David Deggeller</td>\n",
+       "      <td>28.95</td>\n",
+       "      <td>39.76</td>\n",
+       "      <td>25</td>\n",
+       "      <td>6</td>\n",
+       "      <td>827</td>\n",
+       "      <td>3049</td>\n",
+       "      <td>3876</td>\n",
+       "      <td>34.35</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>François-Xavier (FX) Bucher</td>\n",
+       "      <td>14.25</td>\n",
+       "      <td>45.01</td>\n",
+       "      <td>-</td>\n",
+       "      <td>7</td>\n",
+       "      <td>407</td>\n",
+       "      <td>3452</td>\n",
+       "      <td>3859</td>\n",
+       "      <td>29.63</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Greogory P. Smith</td>\n",
+       "      <td>53.01</td>\n",
+       "      <td>23.47</td>\n",
+       "      <td>7</td>\n",
+       "      <td>-</td>\n",
+       "      <td>1514</td>\n",
+       "      <td>1800</td>\n",
+       "      <td>3314</td>\n",
+       "      <td>38.24</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Matthew Ring</td>\n",
+       "      <td>86.21</td>\n",
+       "      <td>4.94</td>\n",
+       "      <td>4</td>\n",
+       "      <td>-</td>\n",
+       "      <td>2462</td>\n",
+       "      <td>379</td>\n",
+       "      <td>2841</td>\n",
+       "      <td>45.57</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Catherine Kircos</td>\n",
+       "      <td>54.52</td>\n",
+       "      <td>16.42</td>\n",
+       "      <td>6</td>\n",
+       "      <td>-</td>\n",
+       "      <td>1557</td>\n",
+       "      <td>1259</td>\n",
+       "      <td>2816</td>\n",
+       "      <td>35.47</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th></th>\n",
+       "      <td>Elliot Hoff</td>\n",
+       "      <td>52.89</td>\n",
+       "      <td>8.34</td>\n",
+       "      <td>5</td>\n",
+       "      <td>-</td>\n",
+       "      <td>1511</td>\n",
+       "      <td>640</td>\n",
+       "      <td>2151</td>\n",
+       "      <td>30.62</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                         Name   SMC %  SCC % SMC Rank SCC Rank  SMC miles  \\\n",
+       "                 Peter Norvig   78.80  38.83        2        5       2251   \n",
+       "                Megan Gardner  100.00  30.26        1       11       2856   \n",
+       "                 Chris Okeefe   32.95  51.32       18        2        941   \n",
+       "               Brian Feinberg   38.10  48.22       14        4       1088   \n",
+       "                   Barry Mann   78.06  32.33        3       12       2230   \n",
+       "                Jason Molenda    7.60  56.16        -        3        217   \n",
+       "                   Jim Brooks    6.17  53.52        -        1        176   \n",
+       "              David Deggeller   28.95  39.76       25        6        827   \n",
+       "  François-Xavier (FX) Bucher   14.25  45.01        -        7        407   \n",
+       "            Greogory P. Smith   53.01  23.47        7        -       1514   \n",
+       "                 Matthew Ring   86.21   4.94        4        -       2462   \n",
+       "             Catherine Kircos   54.52  16.42        6        -       1557   \n",
+       "                  Elliot Hoff   52.89   8.34        5        -       1511   \n",
+       "\n",
+       "  SCC miles  Total miles  Mean %  \n",
+       "       2978         5229   58.81  \n",
+       "       2321         5177   65.13  \n",
+       "       3936         4877   42.14  \n",
+       "       3698         4786   43.16  \n",
+       "       2479         4709   55.20  \n",
+       "       4307         4524   31.88  \n",
+       "       4104         4280   29.85  \n",
+       "       3049         3876   34.35  \n",
+       "       3452         3859   29.63  \n",
+       "       1800         3314   38.24  \n",
+       "        379         2841   45.57  \n",
+       "       1259         2816   35.47  \n",
+       "        640         2151   30.62  "
+      ]
+     },
+     "execution_count": 42,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
   "source": [
    "def make_leaders(raw_data):\n",
    "    \"\"\"Make a dataframe of leaders in two counties.\"\"\"\n",
-    "    data = [(name, SMp, SCp, *county_miles(SMp, SCp), round((SMp * SCp) ** 0.5, 2), round((SMp + SCp) / 2, 2), initials(name))\n",
-    "            for (name, SMp, SCp) in raw_data]\n",
+    "    data = [(name, SMp, SCp, SMrank, SCrank, *county_miles(SMp, SCp), round((SMp + SCp) / 2, 2))\n",
+    "            for (name, SMp, SMrank, SCp, SCrank) in raw_data]\n",
    "    leaders = pd.DataFrame(data, columns=[\n",
-    "        'Name', 'SMC %', 'SCC %', 'SMC miles', 'SCC miles', 'Total miles', 'GeoMean %', 'Mean %', 'Initials'])\n",
+    "        'Name', 'SMC %', 'SCC %', 'SMC Rank',  'SCC Rank', 'SMC miles', 'SCC miles', 'Total miles', 'Mean %']\n",
+    "                          ).sort_values('Mean %', ascending=False)\n",
    "    return drop_index(leaders)\n",
    "\n",
    "def county_miles(SMp, SCp) -> list:\n",
-    "    SMmiles = round(2827.3 * SMp / 100)\n",
-    "    SCmiles = round(7688.7 * SCp / 100)\n",
+    "    SMmiles = round(2856.3 * SMp / 100)\n",
+    "    SCmiles = round(7668.7 * SCp / 100)\n",
    "    return [SMmiles, SCmiles, SMmiles + SCmiles] \n",
    "\n",
    "def initials(name: str) -> str:\n",
@@ -310,10 +579,12 @@
    "    return name[0] + name.split()[-1][0]\n",
    "\n",
    "def plot_leaders(leaders, by='Mean %'):\n",
+    "    \"\"\"Plot of pareto Frontier\"\"\" ## NOT CURRENTLY USED\n",
    "    leaders = leaders.sort_values(by=by, ascending=False)\n",
    "    ax = leaders.plot('SMC %', 'SCC %',  kind='scatter', marker='D')\n",
    "    front = sorted((x, y) for i, (_, _, x, y, *_) in leaders.iterrows())\n",
-    "    \"ax.axis('square')\"; grid()\n",
+    "    #ax.axis('square'); \n",
+    "    grid()\n",
    "    ax.set_xlabel('San Mateo County %')\n",
    "    ax.set_ylabel('Santa Clara County %')\n",
    "    for i, (name, x, y, *_) in leaders.iterrows():\n",
@@ -321,18 +592,21 @@
    "    return leaders\n",
    "\n",
    "\n",
-    "leaders = make_leaders([ # Data as of Mar 24, 2025 (Name, Initials, SMC, SCC)\n",
-    "    ('Megan Gardner',  99.94, 25.21),\n",
-    "    ('Matthew Ring',   83.16,  2.48),\n",
-    "    ('Peter Norvig',   78.80, 38.83),\n",
-    "    ('Barry Mann',     78.27, 31.09), \n",
-    "    ('Catherine Kircos', 54.47, 16.04),\n",
-    "    ('Elliot Hoff',    52.89,  6.13),\n",
-    "    ('Greogory P. Smith', 51.37, 23.27),\n",
-    "    ('Brian Feinberg', 36.76, 48.22),\n",
-    "    ('Chris Okeefe',   32.17, 48.30),\n",
-    "    ('Jason Molenda',   7.60, 56.15),\n",
-    "    ('Jim Brooks',      6.17, 53.51),\n",
+    "leaders = make_leaders([ # Data as of Dec 31 2025 \n",
+    "    #(Name,            SMC, SMC Rank, SCC, SCC Rank)\n",
+    "    ('Megan Gardner',    100.00, 1,   30.26, 11),\n",
+    "    ('Matthew Ring',      86.21, 4,    4.94, '-'),\n",
+    "    ('Peter Norvig',      78.80, 2,   38.83, 5),\n",
+    "    ('Barry Mann',        78.06, 3,   32.33, 12), \n",
+    "    ('Catherine Kircos',  54.52, 6,   16.42, '-'),\n",
+    "    ('Elliot Hoff',       52.89, 5,    8.34, '-'),\n",
+    "    ('Greogory P. Smith', 53.01, 7,   23.47, '-'),\n",
+    "    ('Brian Feinberg',    38.10, 14,  48.22, 4),\n",
+    "    ('Chris Okeefe',      32.95, 18,  51.32, 2),\n",
+    "    ('Jason Molenda',      7.60, '-', 56.16, 3),\n",
+    "    ('Jim Brooks',         6.17, '-', 53.52, 1),\n",
+    "    ('David Deggeller',   28.95, 25,  39.76, 6),\n",
+    "    ('François-Xavier (FX) Bucher', 14.25, '-', 45.01, 7)\n",
    "    ])"
   ]
  },
@@ -345,9 +619,20 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 20,
   "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "(106, 70)"
+      ]
+     },
+     "execution_count": 20,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
   "source": [
    "def Ed_number(rides, units) -> int:\n",
    "    \"\"\"Eddington number: The maximum integer e such that you have bicycled \n",
@@ -367,8 +652,8 @@
    "    df = pd.DataFrame(data, columns=['kms', 'kms gap',  'miles',  'miles gap'])\n",
    "    return drop_index(df)\n",
    "\n",
-    "def Ed_progress(rides, years=range(2024, 2013, -1)) -> pd.DataFrame:\n",
-    "    \"\"\"A table of Eddington numbers by year, and a plot.\"\"\"\n",
+    "def Ed_progress(rides, years=range(2025, 2013, -1)) -> pd.DataFrame:\n",
+    "    \"\"\"A table of Eddington numbers by year.\"\"\"\n",
    "    def Ed(year, unit): return Ed_number(rides[rides['year'] <= year], unit)\n",
    "    data  = [(y, Ed(y, 'kms'), Ed(y, 'miles')) for y in years]\n",
    "    df = pd.DataFrame(data, columns=['year', 'Ed_km', 'Ed_mi'])\n",
@@ -377,7 +662,79 @@
    "def count_rides(rides, unit='kms', distance=100) -> int:\n",
    "    return count(rides[unit] > distance)\n",
    "\n",
-    "count = sum"
+    "count = sum\n",
+    "\n",
+    "Ed_number(rides, 'kms'), Ed_number(rides, 'miles')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "## NEW\n",
+    "'''\n",
+    "def eddington_distances(rides, lowest=26, threshold=70) -> List[float]:\n",
+    "    @lru_cache(None)\n",
+    "    def best(i) -> List[float]:\n",
+    "        \"\"\"Among all ways to merge rides starting at position i,\n",
+    "        the way that maximizes the rides over threshold.\"\"\"\n",
+    "        ms := merges(i)\n",
+    "        if i >= len(rides):\n",
+    "            return []\n",
+    "        elif not ms:\n",
+    "            return best(i + 1)\n",
+    "        else:\n",
+    "            ms = merges(i)\n",
+    "            if not ms:\n",
+    "            (n, j) = max((d > threshold) + above(j + 1, threshold)\n",
+    "                         for (d, j) in merges(i))\n",
+    "            results.append(distance)\n",
+    "            return n\n",
+    "            best(j)\n",
+    "    best(0)\n",
+    "    return best(0)\n",
+    "'''    \n",
+    "    \n",
+    "None"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def Ed_plot(rides) -> None:\n",
+    "    distances1 = sorted(rides['miles'], reverse=True)\n",
+    "    distances2 = sorted(rides['kms'], reverse=True)\n",
+    "    Ys = range(60, 110)\n",
+    "    for label in ('miles', 'kms'):\n",
+    "        plt.plot(Ys, [count(rides[label] >= y) - y for y in Ys],  'o:', label='Distance in ' + label)\n",
+    "    plt.xlabel('Distance'); plt.ylabel('Eddington Gap')\n",
+    "    plt.plot([min(Ys), max(Ys)], [0, 0], 'r-', label='Zero Gap')\n",
+    "    plt.grid(); plt.legend()\n",
+    "\n",
+    "#Ed_plot(rides)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def Ed_plot2(rides) -> None:\n",
+    "    distances1 = sorted(rides['miles'], reverse=True)\n",
+    "    distances2 = sorted(rides['kms'], reverse=True)\n",
+    "    plt.plot(range(1, len(distances1) + 1), distances1, '.-', label='rides')\n",
+    "    plt.plot([0, 100], [0, 100], ':', label='miles')\n",
+    "    c = 0.621371 * 200\n",
+    "    plt.plot([0, 200], [0, c], ':', label='kms')\n",
+    "    plt.grid(); plt.legend()\n",
+    "\n",
+    "#Ed_plot2(rides)"
   ]
  }
 ],
@@ -397,7 +754,7 @@
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
-   "version": "3.13.1"
+   "version": "3.13.3"
  },
  "toc-autonumbering": true
 },
--- a/ipynb/Convex
+++ b/ipynb/Convex
--- a/ipynb/Countdown.ipynb
+++ b/ipynb/Countdown.ipynb
--- a/ipynb/Cryptarithmetic.ipynb
+++ b/ipynb/Cryptarithmetic.ipynb
@@ -8,32 +8,32 @@
    "\n",
    "# Cryptarithmetic Problems\n",
    "\n",
-    "On 28 April 2014 Gary Antonik had a [Numberplay column](https://web.archive.org/web/20191001030614/https://wordplay.blogs.nytimes.com/2014/04/28/num/) that quotes my friend [Bill Gosper](https://en.wikipedia.org/wiki/Bill_Gosper). (Gosper often presents more advanced puzzles in the [math-fun](http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun) mailing list.)  This puzzle was:\n",
+    "On 28 April 2014 Gary Antonik had a [Numberplay column](https://web.archive.org/web/20191001030614/https://wordplay.blogs.nytimes.com/2014/04/28/num/) in which my friend [Bill Gosper](https://en.wikipedia.org/wiki/Bill_Gosper) poses this puzzle:\n",
    "\n",
-    "> For the expression  `N U M + B E R = P L A Y`,\n",
-    "> - Which distinct numerals (each different) can be substituted for letters to make a valid expression?\n",
-    "> - How many solutions are there?\n",
+    "<hr>\n",
+    "\n",
+    "**For the expression  N U M + B E R = P L A Y**,\n",
+    "- **Which distinct numerals (each different) can be substituted for letters to make a valid expression?**\n",
+    "- **How many solutions are there?**\n",
+    "<hr>\n",
    "\n",
    "I [tackled](https://www.udacity.com/wiki/cs212/unit-2#rethinking-eval) this type of problem (also known as a [cryptarithmetic](http://mathworld.wolfram.com/Cryptarithmetic.html) or [alphametic](http://mathworld.wolfram.com/Alphametic.html) or [verbal arithmetic](https://en.wikipedia.org/wiki/Verbal_arithmetic) problem) in my Udacity class [CS 212](https://www.udacity.com/wiki/cs212/unit-2#cryptarithmetic). \n",
    "\n",
    "\n",
    "\n",
-    "![](https://www.azquotes.com/picture-quotes/quote-when-in-doubt-use-brute-force-ken-thompson-131-46-05.jpg)\n",
+    "My initial approach follows Ken Thompson's adage,  \"when in doubt, use brute force\":\n",
    "\n",
-    "My initial approach follows Ken Thompson's adage,  \"when in doubt, use brute force.\"\n",
-    "\n",
-    "- There are only 10 factorial or 3.6 million permutations of 10 digits, so we can try them all.\n",
+    "- There are only 10 factorial (3.6 million) permutations of 10 digits, so we can try them all.\n",
    "- For each permutation, substitute the digits for the corresponding letters in the formula.\n",
    "- Use Python's `eval` function to check if the resulting formula is a valid, true expression. \n",
-    "- Report the one(s) that are.\n",
+    "- Report the expressions that are.\n",
    "\n",
-    "The basic idea is simple, but there are a few complications to worry about:\n",
+    "The basic idea is simple, but there are a few complications:\n",
    "\n",
-    "- Python uses `==` for equality and `**` for exponentiation, but math notation  uses `=` and `^`.   I'll accept any of these, and translate from math to Python with `to_python`.\n",
+    "- Python uses `==` for equality and `**` for exponentiation, but math notation uses `=` and `^`.   I'll define `to_python` to handle this.\n",
    "- A number with a leading zero digit (like `012`) is illegal (except that `0` by itself is ok).\n",
-    "- We'll have to catch divide-by-zero errors, as in `1/0` or `4/(3-2-1)`.\n",
+    "- We'll have to catch divide-by-zero errors, as in  `4/(3-2-1)`.\n",
    "- In general, it is **unsafe** to eval a string that comes from a user, because a malicious user could inject malware. But eval-ing strings that we make ourselves is no worse than running code that we make ourselves. \n",
-    "- Only uppercase letters are replaced by digits. So in `2 * B or not 2 * BE`, the `or` and `not` are Python keywords.\n",
    "- Should I define a `solve` function to find one solution (faster) or all solutions (comprehensive)? I'll handle both use cases by defining `solve` to  yield solutions one at a time. You can quickly get the first one with `first` or all of them with `set`. \n",
    "\n",
    "# Defining `solve`\n",
@@ -49,12 +49,12 @@
   },
   "outputs": [],
   "source": [
-    "from typing import Iterable, Callable, Tuple\n",
+    "from typing import Iterable, Callable\n",
    "from itertools import permutations\n",
+    "from collections import Counter\n",
    "import re\n",
    "\n",
-    "Formula  = str # A formula in Math notation, like \"NUM ^ BER = PLAY\"\n",
-    "Pformula = str # A formula in Python notation, like \"NUM ** BER == PLAY\"\n",
+    "Formula  = str # A formula in Math notation, like \"NUM + BER = PLAY\"\n",
    "Solution = str # A formula with letters relaced by digits, like \"356 + 742 = 1098\""
   ]
  },
@@ -62,7 +62,7 @@
   "cell_type": "markdown",
   "metadata": {},
   "source": [
-    "Below we see that `solve` works by substituting each permutation of digits for the letters in the formula, and then reporting on the ones that are valid (ones that evaluate to true and have no number with a leading zero). Note that `solve` checks if a `to_python` version of the  formula is `valid`, and if it is, returns a substituted version of the original formula."
+    "Below we see that `solve` works by substituting each permutation of digits for the letters in the formula, and then reporting on the ones that are valid. "
   ]
  },
  {
@@ -76,29 +76,29 @@
    "def solve(formula) -> Iterable[Solution]:\n",
    "    \"\"\"Given a formula like 'NUM + BER == PLAY', fill in digits to solve it.\"\"\"\n",
    "    letters  = all_letters(formula)\n",
-    "    pformula = to_python(formula)\n",
+    "    pyformula = to_python(formula)\n",
    "    for digits in permutations('1234567890', len(letters)):\n",
-    "        if valid(subst(digits, letters, pformula)):\n",
+    "        if valid(subst(digits, letters, pyformula)):\n",
    "            yield subst(digits, letters, formula)\n",
    "        \n",
-    "def subst(digits, letters, formula) -> Formula:\n",
+    "def subst(digits: str, letters: str, formula: Formula) -> Formula:\n",
    "    \"\"\"Substitute digits for letters in formula.\"\"\"\n",
    "    return formula.translate(str.maketrans(letters, cat(digits)))\n",
    "        \n",
-    "def valid(pformula) -> bool:\n",
-    "    \"\"\"A pformula is valid iff it has no leading zero, and evaluates to True.\"\"\"\n",
+    "def valid(pyformula: Formula) -> bool:\n",
+    "    \"\"\"A pyformula is valid iff it has no leading zero, and evaluates to True.\"\"\"\n",
    "    try:\n",
-    "        return (not leading_zero(pformula)) and (eval(pformula) is True)\n",
+    "        return (not leading_zero(pyformula)) and (eval(pyformula) is True)\n",
    "    except ArithmeticError:\n",
    "        return False\n",
    "    \n",
-    "def to_python(formula: Formula) -> Pformula:\n",
+    "def to_python(formula: Formula) -> Formula:\n",
    "    \"\"\"Convert ' = ' and '^' to ' == ' and '**'.\"\"\"\n",
    "    return formula.replace(' = ', ' == ').replace('^', '**') \n",
    "\n",
-    "def all_letters(formula: str) -> str: \n",
-    "    \"\"\"The set of letters in formula, in the form of an alphabetized string.\"\"\"\n",
-    "    return cat(sorted(set(re.findall('[A-Z]', formula))))\n",
+    "def all_letters(formula: Formula) -> str: \n",
+    "    \"\"\"The set of letters in formula, in the order they first appear.\"\"\"\n",
+    "    return cat(Counter(re.findall('[A-Z]', formula)))\n",
    "\n",
    "def first(iterable): \"First element\"; return next(iter(iterable), None)\n",
    "    \n",
@@ -111,7 +111,7 @@
   "cell_type": "markdown",
   "metadata": {},
   "source": [
-    "It would be good to have some unit tests for these functions, but I moved them to the end of this notebook, so that we can go right ahead and solve the problem:"
+    "We can go right ahead and solve the problem:"
   ]
  },
  {
@@ -127,7 +127,7 @@
    {
     "data": {
      "text/plain": [
-       "'587 + 439 = 1026'"
+       "'246 + 789 = 1035'"
      ]
     },
     "execution_count": 3,
@@ -160,8 +160,8 @@
     "name": "stdout",
     "output_type": "stream",
     "text": [
-      "CPU times: user 16.9 s, sys: 19.2 ms, total: 17 s\n",
-      "Wall time: 17 s\n"
+      "CPU times: user 11.1 s, sys: 14 ms, total: 11.1 s\n",
+      "Wall time: 11.1 s\n"
     ]
    },
    {
@@ -176,7 +176,7 @@
    }
   ],
   "source": [
-    "%time solutions = set(solve('NUM + BER = PLAY'))\n",
+    "%time solutions = list(solve('NUM + BER = PLAY'))\n",
    "len(solutions)"
   ]
  },
@@ -184,7 +184,7 @@
   "cell_type": "markdown",
   "metadata": {},
   "source": [
-    "It takes 15 or 20 seconds to find 96 solutions, Here are ten of them:"
+    "It takes about 11 seconds to find 96 solutions, Here are ten of them:"
   ]
  },
  {
@@ -195,16 +195,16 @@
    {
     "data": {
      "text/plain": [
-       "['452 + 637 = 1089',\n",
-       " '589 + 437 = 1026',\n",
-       " '879 + 426 = 1305',\n",
-       " '749 + 286 = 1035',\n",
-       " '756 + 342 = 1098',\n",
-       " '673 + 425 = 1098',\n",
-       " '439 + 587 = 1026',\n",
-       " '432 + 657 = 1089',\n",
-       " '423 + 675 = 1098',\n",
-       " '429 + 876 = 1305']"
+       "['246 + 789 = 1035',\n",
+       " '249 + 786 = 1035',\n",
+       " '264 + 789 = 1053',\n",
+       " '269 + 784 = 1053',\n",
+       " '284 + 769 = 1053',\n",
+       " '286 + 749 = 1035',\n",
+       " '289 + 746 = 1035',\n",
+       " '289 + 764 = 1053',\n",
+       " '324 + 765 = 1089',\n",
+       " '325 + 764 = 1089']"
      ]
     },
     "execution_count": 5,
@@ -213,7 +213,7 @@
    }
   ],
   "source": [
-    "list(solutions)[:10]"
+    "solutions[:10]"
   ]
  },
  {
@@ -247,34 +247,180 @@
    {
     "data": {
      "text/plain": [
-       "         3028913 function calls in 3.011 seconds\n",
+       "         3127170 function calls (3127152 primitive calls) in 2.079 seconds\n",
       "\n",
       "   Ordered by: internal time\n",
       "\n",
       "   ncalls  tottime  percall  cumtime  percall filename:lineno(function)\n",
-       "   309270    1.779    0.000    1.833    0.000 {built-in method builtins.eval}\n",
-       "   453271    0.229    0.000    0.229    0.000 {method 'translate' of 'str' objects}\n",
-       "   453270    0.220    0.000    0.220    0.000 {method 'search' of 're.Pattern' objects}\n",
-       "        2    0.215    0.107    3.065    1.532 89248256.py:1(solve)\n",
-       "   453271    0.209    0.000    0.669    0.000 89248256.py:9(subst)\n",
-       "   453271    0.146    0.000    0.146    0.000 {built-in method maketrans}\n",
-       "   453270    0.128    0.000    2.182    0.000 89248256.py:13(valid)\n",
-       "   453272    0.084    0.000    0.084    0.000 {method 'join' of 'str' objects}\n",
-       "        1    0.000    0.000    3.065    3.065 89248256.py:28(first)\n",
-       "        1    0.000    0.000    3.065    3.065 {built-in method builtins.exec}\n",
-       "        1    0.000    0.000    0.000    0.000 89248256.py:24(all_letters)\n",
-       "        1    0.000    0.000    0.000    0.000 {method 'findall' of 're.Pattern' objects}\n",
-       "        1    0.000    0.000    0.000    0.000 re.py:233(findall)\n",
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       "        1    0.000    0.000    0.000    0.000 <string>:1(<module>)\n",
-       "        1    0.000    0.000    0.000    0.000 {built-in method builtins.len}"
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      ]
     },
     "metadata": {},
@@ -316,7 +462,7 @@
   },
   "outputs": [],
   "source": [
-    "def translate_formula(formula, verbose=False) -> Tuple[str, str]:\n",
+    "def translate_formula(formula: Formula) -> tuple[str, str]:\n",
    "    \"\"\"Translate formula into two values: (lambda function string, parameter letters).\"\"\"\n",
    "    letters  = all_letters(formula)\n",
    "    assert len(letters) <= 10, f'{len(letters)} letters is too many; only 10 allowed'\n",
@@ -368,8 +514,8 @@
    {
     "data": {
      "text/plain": [
-       "('lambda A,B,E,L,M,N,P,R,U,Y: N and B and P and (100*N + 10*U + M) + (100*B + 10*E + R) == (1000*P + 100*L + 10*A + Y)',\n",
-       " 'ABELMNPRUY')"
+       "('lambda N,U,M,B,E,R,P,L,A,Y: N and B and P and (100*N + 10*U + M) + (100*B + 10*E + R) == (1000*P + 100*L + 10*A + Y)',\n",
+       " 'NUMBERPLAY')"
      ]
     },
     "execution_count": 9,
@@ -415,7 +561,7 @@
    {
     "data": {
      "text/plain": [
-       "'587 + 439 = 1026'"
+       "'246 + 789 = 1035'"
      ]
     },
     "execution_count": 11,
@@ -448,20 +594,20 @@
     "name": "stdout",
     "output_type": "stream",
     "text": [
-      "CPU times: user 1.11 s, sys: 3.16 ms, total: 1.11 s\n",
-      "Wall time: 1.11 s\n"
+      "CPU times: user 476 ms, sys: 1.66 ms, total: 478 ms\n",
+      "Wall time: 477 ms\n"
     ]
    }
   ],
   "source": [
-    "%time solutions2 = set(faster_solve('NUM + BER = PLAY'))"
+    "%time solutions2 = list(faster_solve('NUM + BER = PLAY'))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
-    "About 15 times faster! Does it give the same solutions as `solve`?"
+    "About 20 times faster! Does it give the same solutions as `solve`?"
   ]
  },
  {
@@ -553,7 +699,7 @@
    "SORRY + TO + BE + A + PARTY = POOPER\n",
    "SORRY + TO + BUST + YOUR = BUBBLE\n",
    "STEEL + BELTED = RADIALS\n",
-    "ABRA + CADABRA + ABRA + CADABRA = HOUDINI\n",
+    "2 * (ABRA + CADABRA) = HOUDINI\n",
    "I + GUESS + THE + TRUTH = HURTS\n",
    "LETS + CUT + TO + THE = CHASE\n",
    "THATS + THE + THEORY = ANYWAY\n",
@@ -570,6 +716,10 @@
    "sum(range(POP)) = BOBO\n",
    "ODD + ODD = EVEN\n",
    "ROMANS+ALSO+MORE+OR+LESS+ADDED = LETTERS\n",
+    "X * X * X = M\n",
+    "XXVI + CCCXXXI = CCCLVII\n",
+    "LXVII + CCCLXXX = CDXLVII\n",
+    "CXX * XLII = MMMMMXL\n",
    "FOUR+ONE = FIVE and ONE+ONE+ONE+ONE+ONE = FIVE\n",
    "TEN+SEVEN+SEVEN+SEVEN+FOUR+FOUR+ONE = FORTY\n",
    "NINETEEN+THIRTEEN+THREE+2*TWO+3*ONE = FORTYTWO\n",
@@ -594,251 +744,263 @@
     "name": "stdout",
     "output_type": "stream",
     "text": [
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "NUM + BER = PLAY\n",
-      "587 + 439 = 1026\n",
-      "__________________________________________________________________________________________\n",
+      "246 + 789 = 1035\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "YOU = ME ^ 2\n",
-      "576 = 24 ^ 2\n",
-      "__________________________________________________________________________________________\n",
+      "289 = 17 ^ 2\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SEND + MORE = MONEY\n",
      "9567 + 1085 = 10652\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "FOUR + SCORE + 7 = YEARS + AGO\n",
-      "9071 + 26014 + 7 = 34512 + 580\n",
-      "__________________________________________________________________________________________\n",
+      "6071 + 29014 + 7 = 34512 + 580\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "WRONG + WRONG = RIGHT\n",
-      "37081 + 37081 = 74162\n",
-      "__________________________________________________________________________________________\n",
+      "12734 + 12734 = 25468\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "WRIGHT + WRIGHT = TO * FLY + FLIGHT\n",
      "413058 + 413058 = 82 * 769 + 763058\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "HALF + HALF = WHOLE\n",
      "9604 + 9604 = 19208\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "HALF + FIFTH + TENTH + TENTH + TENTH = WHOLE\n",
      "6701 + 14126 + 25326 + 25326 + 25326 = 96805\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "BASE + BALL = GAMES\n",
      "7483 + 7455 = 14938\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "YOUR + YOU = HEART\n",
      "9426 + 942 = 10368\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "EAT + THAT = APPLE\n",
      "819 + 9219 = 10038\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ALPHABET + LETTERS = SCRABBLE\n",
      "17531908 + 7088062 = 24619970\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "POTATO + TOMATO = PUMPKIN\n",
      "168486 + 863486 = 1031972\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ODD * ODD = FREAKY\n",
      "677 * 677 = 458329\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "DOUBLE + DOUBLE + TOIL = TROUBLE\n",
      "798064 + 798064 + 1936 = 1598064\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "WASH + YOUR = HANDS\n",
-      "5291 + 6748 = 12039\n",
-      "__________________________________________________________________________________________\n",
+      "4261 + 7835 = 12096\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "WEAR + A + MASK + WASH = SAFER\n",
-      "9617 + 1 + 3125 + 9124 = 21867\n",
-      "__________________________________________________________________________________________\n",
+      "2743 + 4 + 9416 + 2410 = 14573\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "PERSON + WOMAN + MAN = CAMERA\n",
      "320567 + 96817 + 817 = 418201\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "TWO + TWENTY = TWELVE + TEN\n",
-      "784 + 781279 = 781351 + 712\n",
-      "__________________________________________________________________________________________\n",
+      "123 + 124617 = 124594 + 146\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "AA + BB + CC = ABC\n",
      "11 + 99 + 88 = 198\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "PI * R^2 = AREA\n",
      "96 * 7^2 = 4704\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "A^2 + B^2 = C^2\n",
      "3^2 + 4^2 = 5^2\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "A^2 + BE^2 = BY^2 \n",
      "5^2 + 12^2 = 13^2 \n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "AYH^2 + BEE^2 = SEE^2\n",
      "760^2 + 522^2 = 922^2\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "RAMN = R^3 + RM^3 = N^3 + RX^3\n",
      "1729 = 1^3 + 12^3 = 9^3 + 10^3\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "MON-EY = EVIL^(1/2)\n",
-      "108-42 = 4356^(1/2)\n",
-      "__________________________________________________________________________________________\n",
+      "132-58 = 5476^(1/2)\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SIN^2 + COS^2 = UNITY\n",
      "235^2 + 142^2 = 75389\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SPEED + LIMIT = FIFTY\n",
-      "40221 + 36568 = 76789\n",
-      "__________________________________________________________________________________________\n",
+      "10224 + 73635 = 83859\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "TERRIBLE + NUMBER = THIRTEEN\n",
      "45881795 + 302758 = 46184553\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SEVEN + SEVEN + SIX = TWENTY\n",
      "68782 + 68782 + 650 = 138214\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "EIGHT + EIGHT + TWO + ONE + ONE = TWENTY\n",
      "52371 + 52371 + 104 + 485 + 485 = 105816\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ELEVEN + NINE + FIVE + FIVE = THIRTY\n",
      "797275 + 5057 + 4027 + 4027 = 810386\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "NINE + SEVEN + SEVEN + SEVEN = THIRTY\n",
      "3239 + 49793 + 49793 + 49793 = 152618\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "FOURTEEN + TEN + TEN + SEVEN = FORTYONE\n",
      "19564882 + 482 + 482 + 78082 = 19643928\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "HAWAII + IDAHO + IOWA + OHIO = STATES\n",
      "510199 + 98153 + 9301 + 3593 = 621246\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "VIOLIN * 2 + VIOLA = TRIO + SONATA\n",
      "176478 * 2 + 17645 = 2076 + 368525\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SEND + A + TAD + MORE = MONEY\n",
      "9283 + 7 + 473 + 1062 = 10825\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ZEROES + ONES = BINARY\n",
      "698392 + 3192 = 701584\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "DCLIZ + DLXVI = MCCXXV\n",
      "62049 + 60834 = 122883\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "COUPLE + COUPLE = QUARTET\n",
      "653924 + 653924 = 1307848\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "FISH + N + CHIPS = SUPPER\n",
      "5718 + 3 + 98741 = 104462\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SATURN + URANUS + NEPTUNE + PLUTO = PLANETS\n",
      "127503 + 502351 + 3947539 + 46578 = 4623971\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "PLUTO not in {PLANETS}\n",
-      "63985 not in {6314287}\n",
-      "__________________________________________________________________________________________\n",
+      "12345 not in {1267849}\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "EARTH + AIR + FIRE + WATER = NATURE\n",
      "67432 + 704 + 8046 + 97364 = 173546\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "TWO * TWO = SQUARE\n",
-      "807 * 807 = 651249\n",
-      "__________________________________________________________________________________________\n",
+      "567 * 567 = 321489\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "HIP * HIP = HURRAY\n",
      "958 * 958 = 917764\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "NORTH / SOUTH = EAST / WEST\n",
      "51304 / 61904 = 7260 / 8760\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "NAUGHT ^ 2 = ZERO ^ 3\n",
      "328509 ^ 2 = 4761 ^ 3\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "I + THINK + IT + BE + THINE = INDEED\n",
      "1 + 64125 + 16 + 73 + 64123 = 128338\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "DO + YOU + FEEL = LUCKY\n",
      "57 + 870 + 9441 = 10368\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "WELL - DO + YOU = PUNK\n",
-      "5277 - 13 + 830 = 6094\n",
-      "__________________________________________________________________________________________\n",
+      "1399 - 65 + 750 = 2084\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "NOW + WE + KNOW + THE = TRUTH\n",
      "673 + 38 + 9673 + 128 = 10512\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SORRY + TO + BE + A + PARTY = POOPER\n",
      "80556 + 20 + 34 + 9 + 19526 = 100145\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "SORRY + TO + BUST + YOUR = BUBBLE\n",
      "94665 + 24 + 1092 + 5406 = 101187\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "STEEL + BELTED = RADIALS\n",
      "87336 + 936732 = 1024068\n",
-      "__________________________________________________________________________________________\n",
-      "ABRA + CADABRA + ABRA + CADABRA = HOUDINI\n",
-      "7457 + 1797457 + 7457 + 1797457 = 3609828\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
+      "2 * (ABRA + CADABRA) = HOUDINI\n",
+      "2 * (7457 + 1797457) = 3609828\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "I + GUESS + THE + TRUTH = HURTS\n",
      "5 + 26811 + 478 + 49647 = 76941\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "LETS + CUT + TO + THE = CHASE\n",
      "9478 + 127 + 75 + 704 = 10384\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "THATS + THE + THEORY = ANYWAY\n",
      "86987 + 863 + 863241 = 951091\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "TWO + TWO = FOUR\n",
      "734 + 734 = 1468\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "X / X = X\n",
      "1 / 1 = 1\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "X + X = X\n",
      "0 + 0 = 0\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "A^N + B^N = C^N and N > 1\n",
      "3^2 + 4^2 = 5^2 and 2 > 1\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ATOM^0.5 = A + TO + M\n",
      "1296^0.5 = 1 + 29 + 6\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ALL + GLITTERS is not GOLD\n",
-      "166 + 46500389 is not 4762\n",
-      "__________________________________________________________________________________________\n",
+      "122 + 32455678 is not 3920\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ONE < TWO and FOUR < FIVE\n",
-      "351 < 703 and 2386 < 2491\n",
-      "__________________________________________________________________________________________\n",
+      "123 < 451 and 6178 < 6903\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ONE < TWO < THREE < TWO * TWO\n",
-      "431 < 674 < 62511 < 674 * 674\n",
-      "__________________________________________________________________________________________\n",
+      "123 < 451 < 46733 < 451 * 451\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "(2 * BE or not 2 * BE) = THE + QUES-TION\n",
-      "(2 * 13 or not 2 * 13) = 843 + 7239-8056\n",
-      "__________________________________________________________________________________________\n",
+      "(2 * 13 or not 2 * 13) = 793 + 6438-7205\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "sum(range(AA)) = BB\n",
      "sum(range(11)) = 55\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "sum(range(POP)) = BOBO\n",
      "sum(range(101)) = 5050\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ODD + ODD = EVEN\n",
      "655 + 655 = 1310\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ROMANS+ALSO+MORE+OR+LESS+ADDED = LETTERS\n",
      "975348+3187+5790+79+1088+36606 = 1022098\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
+      "X * X * X = M\n",
+      "2 * 2 * 2 = 8\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
+      "XXVI + CCCXXXI = CCCLVII\n",
+      "3370 + 1113330 = 1116700\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
+      "LXVII + CCCLXXX = CDXLVII\n",
+      "20133 + 8882000 = 8902133\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
+      "CXX * XLII = MMMMMXL\n",
+      "422 * 2633 = 1111126\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "FOUR+ONE = FIVE and ONE+ONE+ONE+ONE+ONE = FIVE\n",
      "1380+345 = 1725 and 345+345+345+345+345 = 1725\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "TEN+SEVEN+SEVEN+SEVEN+FOUR+FOUR+ONE = FORTY\n",
      "520+12820+12820+12820+4937+4937+902 = 49756\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "NINETEEN+THIRTEEN+THREE+2*TWO+3*ONE = FORTYTWO\n",
      "42415114+56275114+56711+2*538+3*841 = 98750538\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "IN + ARCTIC + TERRAIN + AN + ANCIENT + EERIE + ICE + TRACT + I + ENTER + A + TRANCE = FLATIANA\n",
      "42 + 379549 + 5877342 + 32 + 3294825 + 88748 + 498 + 57395 + 4 + 82587 + 3 + 573298 = 10354323\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ONE < TWO < THREE < SEVEN - THREE < THREE + TWO < THREE + THREE < SEVEN < SEVEN + ONE < THREE * THREE\n",
-      "321 < 483 < 45711 < 91612 - 45711 < 45711 + 483 < 45711 + 45711 < 91612 < 91612 + 321 < 45711 * 45711\n",
-      "__________________________________________________________________________________________\n",
+      "123 < 451 < 46733 < 93832 - 46733 < 46733 + 451 < 46733 + 46733 < 93832 < 93832 + 123 < 46733 * 46733\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "ABCDEFGHIJ/JIHGFEDCBA = AI/IG\n",
      "1073589264/4629853701 = 16/69\n",
-      "__________________________________________________________________________________________\n",
+      "——————————————————————————————————————————————————————————————————————————————————————————\n",
      "AN + ACCELERATING + INFERENTIAL + ENGINEERING + TALE + ELITE + GRANT + FEE + ET + CETERA = ARTIFICIAL + INTELLIGENCE\n",
      "59 + 577404251698 + 69342491650 + 49869442698 + 1504 + 40614 + 82591 + 344 + 41 + 741425 = 5216367650 + 691400684974\n",
-      "CPU times: user 42.1 s, sys: 77.8 ms, total: 42.2 s\n",
-      "Wall time: 42.2 s\n"
+      "CPU times: user 18.2 s, sys: 47.4 ms, total: 18.2 s\n",
+      "Wall time: 18.2 s\n"
     ]
    },
    {
     "data": {
      "text/plain": [
-       "79"
+       "83"
      ]
     },
     "execution_count": 15,
@@ -847,7 +1009,7 @@
    }
   ],
   "source": [
-    "def show(formulas: Iterable[Formula], sep='_'*90):\n",
+    "def show(formulas: Iterable[Formula], sep='—'*90):\n",
    "    \"\"\"Solve all the formulas and show results.\"\"\"\n",
    "    for f in formulas:\n",
    "        print(f'{sep}\\n{f}\\n{first(faster_solve(f))}')\n",
@@ -902,8 +1064,8 @@
    "\n",
    "assert translate_formula(\"A + B = CD\") == ('lambda A,B,C,D: C and (A) + (B) == (10*C + D)', 'ABCD')\n",
    "assert translate_formula(\"NUM + BER = PLAY\") == (\n",
-    "    'lambda A,B,E,L,M,N,P,R,U,Y: N and B and P and (100*N + 10*U + M) + (100*B + 10*E + R) == (1000*P + 100*L + 10*A + Y)',\n",
-    "    'ABELMNPRUY')"
+    "    'lambda N,U,M,B,E,R,P,L,A,Y: N and B and P and (100*N + 10*U + M) + (100*B + 10*E + R) == (1000*P + 100*L + 10*A + Y)',\n",
+    "    'NUMBERPLAY')"
   ]
  }
 ],
@@ -923,7 +1085,7 @@
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
-   "version": "3.8.15"
+   "version": "3.13.3"
  }
 },
 "nbformat": 4,
--- a/ipynb/Goldberg.ipynb
+++ b/ipynb/Goldberg.ipynb
--- a/ipynb/Jotto.ipynb
+++ b/ipynb/Jotto.ipynb
@@ -2390,8 +2390,8 @@
    "\n",
    "Here is a summary of the reports on both games:\n",
    "\n",
-    "|<br><br><br>Algorithm|JOTTO<br>Inonsistent<br><u>Prohibited</u><br>Mean (Max)|JOTTO<br>Inconsistent<br><u>Allowed</u><br>Mean (Max)|WORDLE<br>Inconsistent<br><u>Prohibited</u><br>Mean (Max)|WORDLE<br>Inconsistent<br><u>Allowed</u><br>Mean (Max)||\n",
-    "|--|--|--|--|--|--|\n",
+    "|<br><br><br>Algorithm|JOTTO<br>Inonsistent<br><u>Prohibited</u><br>Mean (Max)|JOTTO<br>Inconsistent<br><u>Allowed</u><br>Mean (Max)|WORDLE<br>Inconsistent<br><u>Prohibited</u><br>Mean (Max)|WORDLE<br>Inconsistent<br><u>Allowed</u><br>Mean (Max)|\n",
+    "|--|--|--|--|--|\n",
    "|minimize max        |6.31 (16)|6.38  (9)| 3.68 (8) | 3.64 (6) | \n",
    "|minimize expectation|6.11 (14)|6.13  (9)| 3.62 (8) | 3.55 (6) | \n",
    "|minimize neg_entropy|6.31 (15)|6.18  (9)| 3.60 (8) | 3.52 (6) |\n",
--- a/ipynb/Life.ipynb
+++ b/ipynb/Life.ipynb
@@ -8,7 +8,7 @@
    "\n",
    "# Conway's Game of Life \n",
    "\n",
-    "![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Glider.svg/140px-Glider.svg.png)\n",
+    "![Glider](https://upload.wikimedia.org/wikipedia/commons/9/96/Animated_glider_emblem.gif)\n",
    "\n",
    "The cellular automata game *Life*, invented by the mathematician [John H. Conway](https://en.wikipedia.org/wiki/John_Horton_Conway), makes a fun programming exercise.  Let's review the [rules](http://en.wikipedia.org/wiki/Conway%27s_Game_of_Life):\n",
    "\n",
@@ -18,10 +18,10 @@
    ">+ Any empty cell with exactly three live neighbors becomes live in the next generation.\n",
    ">+ All other cells are empty in the next generation.\n",
    "\n",
-    "For example, in the diagram below, \"`@`\" cells are live. In the transition from Generation 0 to 1, the cell marked \"`,`\" becomes empty (dies off) because it has zero live neighbors.  In the next transition, a fourth `@` becomes live, because it has 3 live neighbors. All other cells stay the same. \n",
+    "For example, in the diagram below, \"`@`\" cells are live. In the transition from Generation 0 to 1, the cell marked \"`:`\" becomes empty (dies off) because it has zero live neighbors.  In the next transition, a fourth `@` becomes live, because it has 3 live neighbors. All other cells stay the same. \n",
    "\n",
    "     . . . . .        . . . . .        . . . . .\n",
-    "     . . . @ .        . . . , .        . . . . .\n",
+    "     . . . @ .        . . . : .        . . . . .\n",
    "     . @ . . .        . @ . . .        . @ @ . .\n",
    "     . @ @ . .        . @ @ . .        . @ @ . .\n",
    "     . . . . .        . . . . .        . . . . .\n",
@@ -36,15 +36,10 @@
    "\n",
    "To create a program to play *Life*, go through the inventory of concepts and decide how to implement each one:\n",
    "\n",
-    "+ **World** and **Cell**: A state of the world must represent which cells are empty and which are live. That looks like a job for a two-dimensional array with values 1 for live and 0 for empty. The tricky part is that the number of cells is infinite, and we can't store an infinite array in a finite computer.  I can think of three ways around this issue:\n",
-    "  - Use a **fixed-size two-dimensional array** but change the rules: cells at the edge have fewer neighbors, or they wrap around.\n",
-    "  - Use a **sparse matrix** that can change size, expanding in any direction to contain all the live cells.\n",
-    "  - Use a **set of live cells**, where a **cell** is represented as an (x, y)-coordinate pair. I think this is the easiest choice.\n",
-    "<br>Example: `world = {(3, 1), (1, 2), (1, 3), (2, 3)}; cell = (1, 2)` \n",
+    "+ **World** and **Cell**: A state of the world must represent which cells are empty and which are live. That looks like a job for a two-dimensional array with values 1 for live and 0 for empty. The tricky part is that the number of cells is infinite, and we can't store an infinite array in a finite computer.  We could use a sparse matrix that can change size, but that's complicated.  A simpler representation is a **set of live cells**, where a **cell** is represented as an (x, y)-coordinate pair. choice. Example: `world = {(3, 1), (1, 2), (1, 3), (2, 3)}; cell = (1, 2)` \n",
    "+ **Live** and **Empty**: A cell is live if it is a member of a world, i.e. if `cell in world` is true. \n",
-    "+ **Neighbors**:  The cell `(x, y)` has eight neighbors, formed by adding or subtracting 1 from `x` or `y` or both.\n",
-    "<br>Example: `neighbors((1, 2))` → `((0, 1), (1, 1), (2, 1), (0, 2), (2, 2), (0, 3), (1, 3), (2, 3))`\n",
-    "+ **Next Generation**: The  function `next_generation(world)` returns a new world with the new set of live cells according to the rules. <br>Example: `next_generation({(3, 1), (1, 2), (1, 3), (2, 3)})` → `{(1, 2), (1, 3), (2, 3)}`\n",
+    "+ **Neighbors**:  The cell `(x, y)` has eight neighbors, formed by adding or subtracting 1 from `x` or `y` or both. Example: `neighbors((1, 2))` → `((0, 1), (1, 1), (2, 1), (0, 2), (2, 2), (0, 3), (1, 3), (2, 3))`\n",
+    "+ **Next Generation**: The  function `next_generation(world)` returns a new world with the new set of live cells according to the rules. Example: `next_generation({(3, 1), (1, 2), (1, 3), (2, 3)})` → `{(1, 2), (1, 3), (2, 3)}`\n",
    "+ **Sequence of Generations**: The generator function `life(world, n)` yields `n` generations starting from the given world. \n",
    "+ **Display**: We will need some way to display the generations. Let's defer that for now.\n",
    "+ **Live Neighbor Counts**: To determine the next generation, we need to know how many live neighbors each cell has. A good way to represent this is a mapping of `{cell: count}`.  An easy way to produce this mapping is with a `Counter`, passing it every neighbor of every live cell. This may feel like we're doing the counting \"backwards.\" Instead of asking \"for each cell, how many live neighbors does it have?\" we are saying \"for each live cell, increment the count of each of its neighbors.\" The two amount to the same thing because *neighbor* is symmetric&mdash;if P is a neighbor of Q, then Q is a neighbor of P. Below we see the neighbor counts for each of the three generations of the example above; in each generation the top diagram gives the neighbor counts for the empty cells, and the bottom diagram gives the counts for the live cells. This is just to make the diagram easier to read; in the code the counts are all in one `Counter`. \n",
@@ -68,19 +63,19 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from collections     import Counter\n",
-    "from typing          import Set, Tuple, Dict, Iterator, List\n",
+    "from typing          import Iterator\n",
    "from itertools       import islice\n",
    "from IPython.display import clear_output, display_html\n",
    "from time            import sleep\n",
-    "import sys\n",
+    "from sys             import maxsize\n",
    "\n",
-    "Cell  = Tuple[int, int]\n",
-    "World = Set[Cell] "
+    "Cell  = tuple[int, int]\n",
+    "World = set[Cell] "
   ]
  },
  {
@@ -92,33 +87,32 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
-    "def life(world, n=sys.maxsize) -> Iterator[World]:\n",
-    "    \"\"\"Yield `n` generations, starting from the given world.\"\"\"\n",
+    "def life(world, n=maxsize) -> Iterator[World]:\n",
+    "    \"\"\"Yield the world and `n` following generations.\"\"\"\n",
+    "    yield world\n",
    "    for g in range(n):\n",
-    "        yield world\n",
-    "        world = next_generation(world)\n",
+    "        yield (world := next_generation(world))\n",
    "\n",
    "def next_generation(world) -> World:\n",
    "    \"\"\"The set of live cells in the next generation.\"\"\"\n",
    "    return {cell for cell, count in neighbor_counts(world).items()\n",
    "            if count == 3 or (count == 2 and cell in world)}\n",
    "\n",
-    "def neighbor_counts(world) -> Dict[Cell, int]:\n",
+    "def neighbor_counts(world) -> dict[Cell, int]:\n",
    "    \"\"\"A Counter of the number of live neighbors for each cell.\"\"\"\n",
    "    return Counter(xy for cell in world \n",
    "                      for xy in neighbors(cell))\n",
    "\n",
-    "def neighbors(cell) -> List[Cell]:\n",
+    "def neighbors(cell) -> list[Cell]:\n",
    "    \"\"\"All 8 adjacent neighbors of cell.\"\"\"\n",
    "    (x, y) = cell\n",
-    "    return [(x + dx, y + dy) \n",
-    "            for dx in (-1, 0, 1) \n",
-    "            for dy in (-1, 0, 1) \n",
-    "            if not (dx == 0 == dy)]"
+    "    return [(x-1, y-1), (x, y-1), (x+1, y-1),\n",
+    "            (x-1, y),             (x+1, y),\n",
+    "            (x-1, y+1), (x, y+1), (x+1, y+1)]"
   ]
  },
  {
@@ -132,21 +126,9 @@
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "{(1, 2), (1, 3), (2, 3)}"
-      ]
-     },
-     "execution_count": 3,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
   "source": [
-    "world = {(3, 1), (1, 2), (1, 3), (2, 3)}\n",
-    "next_generation(world)"
+    "world = {(3, 1), (1, 2), (1, 3), (2, 3)}"
   ]
  },
  {
@@ -157,52 +139,29 @@
    {
     "data": {
      "text/plain": [
-       "[{(1, 2), (1, 3), (2, 3), (3, 1)},\n",
-       " {(1, 2), (1, 3), (2, 3)},\n",
-       " {(1, 2), (1, 3), (2, 2), (2, 3)},\n",
-       " {(1, 2), (1, 3), (2, 2), (2, 3)}]"
-      ]
-     },
-     "execution_count": 4,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "list(life(world, 4))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 5,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "Counter({(0, 1): 1,\n",
-       "         (0, 2): 2,\n",
-       "         (0, 3): 2,\n",
-       "         (1, 1): 1,\n",
-       "         (1, 3): 2,\n",
+       "Counter({(2, 2): 4,\n",
       "         (2, 1): 2,\n",
-       "         (2, 2): 4,\n",
+       "         (3, 2): 2,\n",
+       "         (0, 2): 2,\n",
+       "         (1, 2): 2,\n",
+       "         (0, 3): 2,\n",
       "         (2, 3): 2,\n",
+       "         (1, 4): 2,\n",
+       "         (2, 4): 2,\n",
+       "         (1, 3): 2,\n",
       "         (2, 0): 1,\n",
       "         (3, 0): 1,\n",
-       "         (3, 2): 2,\n",
       "         (4, 0): 1,\n",
       "         (4, 1): 1,\n",
       "         (4, 2): 1,\n",
-       "         (1, 2): 2,\n",
-       "         (1, 4): 2,\n",
-       "         (2, 4): 2,\n",
+       "         (0, 4): 1,\n",
+       "         (0, 1): 1,\n",
+       "         (1, 1): 1,\n",
       "         (3, 3): 1,\n",
-       "         (3, 4): 1,\n",
-       "         (0, 4): 1})"
+       "         (3, 4): 1})"
      ]
     },
-     "execution_count": 5,
+     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
@@ -213,16 +172,36 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
-       "[(0, 1), (0, 2), (0, 3), (1, 1), (1, 3), (2, 1), (2, 2), (2, 3)]"
+       "{(1, 2), (1, 3), (2, 3)}"
      ]
     },
-     "execution_count": 11,
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "next_generation(world)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[(0, 1), (1, 1), (2, 1), (0, 2), (2, 2), (0, 3), (1, 3), (2, 3)]"
+      ]
+     },
+     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
@@ -231,6 +210,30 @@
    "neighbors((1, 2))"
   ]
  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[{(1, 2), (1, 3), (2, 3), (3, 1)},\n",
+       " {(1, 2), (1, 3), (2, 3)},\n",
+       " {(1, 2), (1, 3), (2, 2), (2, 3)},\n",
+       " {(1, 2), (1, 3), (2, 2), (2, 3)},\n",
+       " {(1, 2), (1, 3), (2, 2), (2, 3)}]"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "list(life(world, 4))"
+   ]
+  },
  {
   "cell_type": "markdown",
   "metadata": {},
@@ -242,7 +245,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
@@ -252,29 +255,8 @@
    "        \n",
    "def picture(world, Xs: range, Ys: range) -> str:\n",
    "    \"\"\"Return a picture of the world: a grid of characters representing the cells in this window.\"\"\"\n",
-    "    def row(y): return PAD.join(LIVE if (x, y) in world else EMPTY for x in Xs)\n",
-    "    return '\\n'.join(row(y) for y in Ys)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 8,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "({(1, 2), (1, 3), (2, 3), (3, 1)}, {(1, 2), (1, 3), (2, 3)})"
-      ]
-     },
-     "execution_count": 8,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "g = life(world)\n",
-    "next(g), next(g)"
+    "    def row(y): return PAD.join((LIVE if (x, y) in world else EMPTY) for x in Xs)\n",
+    "    return '\\n'.join(map(row, Ys))"
   ]
  },
  {
@@ -304,7 +286,7 @@
   "source": [
    "# Animated Display\n",
    "\n",
-    "The function `animate_life` displays `n` generations: display `world`, pause for `pause` seconds, then clear the screen and display the next generation."
+    "The function `animate_life` displays `world`, pauses for `pause` seconds, then clears the screen and displays the next generation, repeating `n` times."
   ]
  },
  {
@@ -321,7 +303,7 @@
    "                         picture(world, Xs, Ys)), raw=True)\n",
    "        sleep(pause)\n",
    "        \n",
-    "def pre(text) -> str: return f'<{}pre>{text}<{}/pre>'"
+    "def pre(text) -> str: return f'<pre>{text}</pre>'"
   ]
  },
  {
@@ -332,7 +314,7 @@
    {
     "data": {
      "text/html": [
-       "<pre>Generation:  3, Population:  4\n",
+       "<pre>Generation:  4, Population:  4\n",
       ". . . . .\n",
       ". . . . .\n",
       ". @ @ . .\n",
@@ -345,7 +327,7 @@
    }
   ],
   "source": [
-    "animate_life(world, 4, range(5), range(5), 1)"
+    "animate_life(world, 4, range(5), range(5), pause=1)"
   ]
  },
  {
@@ -354,7 +336,7 @@
   "source": [
    "# Interesting Worlds\n",
    "\n",
-    "Now let's take a look at some configurations of cells that *Life* enthusiasts have discovered. It would be tedious to write out a set of `(x, y)` coordinates, so we will define the function `shape` that takes a picture as input and returns a world; `shape` and `picture` are more-or-less inverses. "
+    "Now let's take a look at some configurations of cells that *Life* enthusiasts have discovered. It would be tedious to keep writing out  sets of `(x, y)` coordinates, so we will define the function `shape` that takes a picture as input and returns a world; `shape` and `picture` are more-or-less inverses. "
   ]
  },
  {
@@ -365,11 +347,10 @@
   "source": [
    "def shape(picture, dx=3, dy=3) -> World:\n",
    "    \"\"\"Convert a graphical picture (e.g. '@ @ .\\n. @ @') into a world (set of cells).\"\"\"\n",
-    "    cells = {(x, y) \n",
-    "             for (y, row) in enumerate(picture.splitlines())\n",
-    "             for (x, c) in enumerate(row.replace(PAD, ''))\n",
-    "             if c == LIVE}\n",
-    "    return slide(cells, dx, dy)\n",
+    "    return {(x + dx, y + dy) \n",
+    "            for (y, row) in enumerate(picture.splitlines())\n",
+    "            for (x, c) in enumerate(row.replace(PAD, ''))\n",
+    "            if c == LIVE}\n",
    "\n",
    "def slide(cells, dx, dy):\n",
    "    \"\"\"Translate/slide a set of cells by a (dx, dy) offset.\"\"\"\n",
@@ -419,29 +400,6 @@
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      ". . . . . . .\n",
-      ". . . . . . .\n",
-      ". . . . . . .\n",
-      ". . . @ @ . .\n",
-      ". . . . @ @ .\n",
-      ". . . . . . .\n",
-      ". . . . . . .\n"
-     ]
-    }
-   ],
-   "source": [
-    "print(picture(_, range(7), range(7)))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 15,
-   "metadata": {},
   "outputs": [
    {
     "data": {
@@ -449,7 +407,7 @@
       "{(3, 3), (3, 4), (4, 3), (4, 4)}"
      ]
     },
-     "execution_count": 15,
+     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
@@ -460,7 +418,7 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
@@ -469,7 +427,7 @@
       "{(103, 203), (103, 204), (104, 203), (104, 204)}"
      ]
     },
-     "execution_count": 16,
+     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
@@ -487,18 +445,18 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
-       "<pre>Generation:  9, Population:  3\n",
+       "<pre>Generation: 10, Population:  3\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
-       ". . . . @ . . . . .\n",
-       ". . . . @ . . . . .\n",
-       ". . . . @ . . . . .\n",
+       ". . . . . . . . . .\n",
+       ". . . @ @ @ . . . .\n",
+       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
@@ -511,24 +469,24 @@
    }
   ],
   "source": [
-    "animate_life(blinker)"
+    "animate_life(blinker, pause=1/2)"
   ]
  },
  {
   "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
-       "<pre>Generation:  9, Population:  6\n",
+       "<pre>Generation: 10, Population:  8\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
       ". . . @ @ . . . . .\n",
-       ". . . @ . . . . . .\n",
-       ". . . . . . @ . . .\n",
+       ". . . @ @ . . . . .\n",
+       ". . . . . @ @ . . .\n",
       ". . . . . @ @ . . .\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
@@ -545,19 +503,19 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
-       "<pre>Generation:  9, Population:  6\n",
+       "<pre>Generation: 10, Population:  6\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
-       ". . . . . @ . . . .\n",
-       ". . . @ . . @ . . .\n",
-       ". . . @ . . @ . . .\n",
-       ". . . . @ . . . . .\n",
+       ". . . . . . . . . .\n",
+       ". . . . @ @ @ . . .\n",
+       ". . . @ @ @ . . . .\n",
+       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
       ". . . . . . . . . .\n",
@@ -574,23 +532,28 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
-       "<pre>Generation: 19, Population:  5\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . . .\n",
-       ". . . . . . . . @ .\n",
-       ". . . . . . . . . @</pre>"
+       "<pre>Generation: 32, Population:  5\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . @ . .\n",
+       ". . . . . . . . . . . . . @ .\n",
+       ". . . . . . . . . . . @ @ @ .\n",
+       ". . . . . . . . . . . . . . .</pre>"
      ]
     },
     "metadata": {},
@@ -598,7 +561,66 @@
    }
   ],
   "source": [
-    "animate_life(glider, 20)"
+    "animate_life(glider, 32, Xs=range(15), Ys=range(15))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<pre>Generation: 130, Population: 178\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . @ . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . @ @ . . . . . . . . . . . . . @ . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . @ . @ . . . . . . . . . . . . . @ . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . @ . . . . . . .\n",
+       ". . . . . . . . . . . @ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . @ @ @ @ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . @ @ . . . . . . .\n",
+       ". . . . . @ . @ @ @ @ . @ @ . . . . . . . . . . . . . . . . . . . . . . @ @ . . . . . . . @ . @ @ . . . . . .\n",
+       ". . . @ @ . . @ @ . . @ @ @ . . . . . . . . . . . . . . . . . . . . . . @ @ . . . . . . . @ . @ . . . @ @ . .\n",
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+    "animate_life(rpentomino, 130, range(55), range(40))"
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-       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
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-       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .</pre>"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
-   "source": [
-    "animate_life(zoo, 160, range(48), range(40))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 23,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<pre>Generation: 199, Population: 100\n",
+       "<pre>Generation: 200, Population: 94\n",
       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
-       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
-       ". . . . . . . . . @ @ @ . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
-       ". . . . . . . @ @ . . @ @ . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
-       ". . . . . . @ . . @ . @ @ @ . . . @ . . . . . . . . . . . . . . . . . . . . . .\n",
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-       ". . . . . . @ . . . @ . @ @ @ . . . . . . @ @ . @ @ @ . . . . . . . . . . . . .\n",
-       ". . . . . . . @ . . . @ @ @ . . . . . @ . @ . @ . . . @ @ . . . . . . . . . . .\n",
-       ". . . . . . . . @ . . . @ . @ @ . . . . @ . . @ . @ . @ @ . . . . . . . . . . .\n",
-       ". . . . . . . . . . . @ . . . @ . . @ @ . . . @ . @ . @ @ . . . . . . . . . . .\n",
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+       ". . . . . . . . . . @ . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . @ @ @ @ @ . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
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+       ". . . . . . @ . . @ @ . . . @ . . . . . . . . . . . . . . . . . . . . . . . . .\n",
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+       ". . . . . . @ . . . . . . . . @ . . . . . . . . . . @ @ . . . . . . . . . . . .\n",
+       ". . . . . . . @ . . . . . . . @ . . . . . @ . @ . . . . @ . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . @ @ . . @ . @ . . @ . . . . . @ . . . . . . . . . .\n",
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+       ". . . . . . . . . . . . . . . . @ @ @ @ . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . @ . . . . . . . . . . . . . . . . . . . . . .\n",
       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
-       ". . . . . . . . . . . . . . . . . . . . . . . . . . . @ . @ . . . . . . . . . .\n",
-       ". . . . . . . . . . . . . . . . . . . . . . . . . . @ . . @ . . . . . . . . . .\n",
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-       ". . . . . . . . . . . . . . . . . . . . . . @ . @ @ . @ . . . . . . @ @ @ . . .\n",
-       ". . . . . . . . . . . . . . . . . . . . . @ . . . @ @ @ . . . . . @ . . . . . .\n",
-       ". . . . . . . . . . . . . . . . . . . . . . @ . . . @ . . . . . . @ . . @ . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . @ . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . @ @ . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . @ @ @ @ . @ . . . . . . @ . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . @ @ @ @ . @ @ . . . . . @ @ . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . @ @ @ @ . . @ . . . . . @ . . @ . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . @ @ . . . . . . . . . @ . @ . . . .\n",
       ". . . . . . . . . . . . . . . . . . . . . . . @ @ @ @ . . . . . . . @ @ . . . .\n",
-       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
+       ". . . . . . . . . . . . . . . . . . . . . . . . @ @ . . . . . . . . . . . . . .\n",
       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
       ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n",
       ". . . . . . . . . . . . . . . . . . . . @ @ . . . . . . . . . . . . . . . . . .\n",
@@ -803,21 +766,21 @@
  },
  {
   "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 23,
   "metadata": {},
   "outputs": [],
   "source": [
    "def next_generation(world):\n",
    "    \"\"\"The set of live cells in the next generation.\"\"\"\n",
    "    counts = neighbor_counts(world)\n",
-    "    def live(cell): return counts[cell] == 3 or (counts[cell] == 2 and cell in world)\n",
+    "    def live(cell) -> bool: return counts[cell] == 3 or (counts[cell] == 2 and cell in world)\n",
    "    return set(filter(live, counts))"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
@@ -831,9 +794,9 @@
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
-   "version": "3.7.7"
+   "version": "3.13.3"
  }
 },
 "nbformat": 4,
- "nbformat_minor": 1
+ "nbformat_minor": 4
 }
--- a/Density.ipynb
+++ b/Density.ipynb
--- a/ipynb/Orderable
+++ b/ipynb/Orderable
--- a/ipynb/Portmantout.ipynb
+++ b/ipynb/Portmantout.ipynb
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Peter Norvig	2e8234232d	Update explanation of modular exponentiation	2026-03-29 19:44:23 -07:00
Peter Norvig	be1195dfa6	Fix formatting in TruncatablePrimes.ipynb	2026-03-29 18:50:31 -07:00
Peter Norvig	6712e8f626	Fix wording in TruncatablePrimes.ipynb	2026-03-29 18:50:08 -07:00
Peter Norvig	9ec6d0565e	Add files via upload	2026-03-29 18:32:37 -07:00
Peter Norvig	5b9b2c2a11	Add files via upload	2026-03-25 17:16:09 -07:00
Peter Norvig	32dda84d1a	Fix formatting issues in xkcd1313 notebook	2026-03-25 11:11:41 -07:00
Peter Norvig	1011a6c263	Remove unused code cells from xkcd1313 notebook	2026-03-25 11:10:19 -07:00
Peter Norvig	b499e06b97	Fix formatting of update message in xkcd1313 notebook	2026-03-25 11:08:28 -07:00
Peter Norvig	5d8afafae0	Fix formatting issue in Orderable Cards notebook	2026-03-24 14:37:41 -07:00
github-actions[bot]	7dd20e0759	docs: auto-update README.md via pytudes.py	2026-03-24 21:34:45 +00:00
Peter Norvig	345f95b1b1	Rename card hand description for clarity	2026-03-24 14:34:31 -07:00
Peter Norvig	e9f863ca75	Add files via upload	2026-03-23 15:36:44 -07:00
Peter Norvig	edc8549237	Fix typo and update condition in simulation function	2026-03-19 14:39:54 -07:00
Peter Norvig	a8d49f0e9f	Add files via upload	2026-03-18 11:26:16 -07:00
Peter Norvig	ce4f285150	Add files via upload	2026-03-16 21:23:58 -07:00
Peter Norvig	d4cfefac7c	Fix assert in missing_bridges	2026-03-13 12:55:25 -07:00
Peter Norvig	932dcac87f	Fix punctuation in markdown cell text	2026-03-13 12:37:10 -07:00
Peter Norvig	3789bd415d	Fix formatting issues in Portmantout.ipynb	2026-03-13 12:32:43 -07:00
Peter Norvig	d64e1004d6	Add files via upload	2026-03-12 14:18:58 -07:00
Peter Norvig	da9e5e55a6	Delete data/advent2017 directory	2026-03-09 15:18:32 -07:00
Peter Norvig	d672d49f4c	Delete data/advent2016 directory	2026-03-09 15:18:10 -07:00
github-actions[bot]	950e3aa0fe	docs: auto-update README.md via pytudes.py	2026-03-09 20:43:52 +00:00
Peter Norvig	622a529e20	Update copyright year in pytudes.py Updated copyright year from 2022 to 2026 in the license section.	2026-03-09 13:43:39 -07:00
Peter Norvig	33a25a4478	Add GitHub Actions workflow to update README	2026-03-09 13:37:56 -07:00
Peter Norvig	8d1ab724c5	Add files via upload	2026-03-07 16:04:50 -08:00
Peter Norvig	6b584053ed	Update year references for Advent of Code entries	2026-03-07 16:03:49 -08:00
Peter Norvig	b1156d3c43	Add files via upload	2026-03-07 15:53:41 -08:00
Peter Norvig	5d35144039	Update quotes and add new comments about Norvig	2026-03-06 22:37:11 -08:00
Peter Norvig	5cbe0f27b7	Add reviews section for pytudes Added reviews and comments about pytudes from various individuals.	2026-03-05 23:28:53 -08:00
Peter Norvig	24bbe552a5	typos and cleanup in stubborn.ipynb	2026-03-05 15:48:52 -08:00
Peter Norvig	d55a5a0ff4	Update Advent-2025-AI.ipynb	2026-03-03 12:51:13 -08:00
Peter Norvig	da3ca24f69	Update Advent-2025-AI.ipynb markdown issue	2026-02-24 21:04:38 -08:00
Peter Norvig	d2c182000c	TSP better stats	2026-02-22 12:15:08 -08:00
Peter Norvig	a2421f723d	TSP typos	2026-02-21 22:17:26 -08:00
Peter Norvig	2fa7b1b88a	Simplified TSP.ipynb a bit, for lilpaiper	2026-02-19 23:03:33 -08:00
Peter Norvig	f15a28a282	Convex hull update type hints	2026-02-19 14:54:02 -08:00
Peter Norvig	bcf7806987	Python 3 for convex hull	2026-02-16 22:20:47 -08:00
Peter Norvig	501738eaec	Add files via upload	2026-02-09 20:40:32 -08:00
Peter Norvig	f1d5adb64d	Add files via upload	2026-02-06 09:52:14 -08:00
Peter Norvig	12400a2b91	Add files via upload	2026-02-05 16:20:46 -08:00
Peter Norvig	d316ff3299	Add files via upload	2026-02-05 16:18:54 -08:00
Peter Norvig	be572103a1	Add files via upload	2026-02-03 22:54:26 -08:00
Peter Norvig	fbe1c82585	Update latlong.htm	2026-02-03 15:36:11 -08:00
Peter Norvig	d17cbab02c	Update Jotto.ipynb	2026-01-27 13:23:56 -08:00
Peter Norvig	2845ca0fcd	Merge pull request #143 from Visali-AL/main Code fix in Sudoku solution validation + An enhancement to identify the exact puzzle number	2026-01-24 18:26:11 -08:00
Peter Norvig	a87eaeafb6	Add files via upload	2026-01-23 20:02:55 -08:00
Peter Norvig	4bcc107527	Add files via upload	2026-01-23 17:55:48 -08:00
Peter Norvig	a4b4f0aa09	Add files via upload	2026-01-23 11:47:12 -08:00
Peter Norvig	d134b4220c	Add files via upload	2026-01-13 21:51:05 -08:00
Peter Norvig	6986eda3cb	Add files via upload	2026-01-12 08:22:23 -08:00
Peter Norvig	9333518be1	Add files via upload	2026-01-08 21:07:08 -08:00
Peter Norvig	8a40e42170	Add files via upload	2026-01-07 23:51:50 -08:00
Peter Norvig	051b5ed609	Add files via upload	2026-01-07 09:11:15 -08:00
Peter Norvig	23eefc32ff	Add files via upload	2026-01-06 23:03:29 -08:00
Peter Norvig	a69a980e7c	Update pytudes.py	2026-01-05 21:57:41 -08:00
Peter Norvig	fe022118e6	Add files via upload	2026-01-05 21:48:13 -08:00
Peter Norvig	9cff05c81b	Add files via upload	2026-01-02 18:44:18 -08:00
Peter Norvig	146007af1b	Add files via upload	2026-01-02 16:53:12 -08:00
Peter Norvig	2888c521cc	Add files via upload	2026-01-01 22:15:42 -08:00
Peter Norvig	7b279dbc61	Add files via upload	2026-01-01 15:24:17 -08:00
Peter Norvig	a410c3dcd8	Add files via upload	2026-01-01 12:17:46 -08:00
Peter Norvig	df535bdb9a	Add files via upload	2025-12-29 00:23:37 -08:00
Peter Norvig	06a47a007f	Add files via upload	2025-12-28 11:10:32 -08:00
Peter Norvig	956352635f	Add files via upload	2025-12-27 17:45:15 -08:00
Peter Norvig	f3b259db58	Delete ipynb/AOC/2022 directory	2025-12-25 08:00:27 -08:00
Peter Norvig	e0d81357e0	Delete ipynb/AOC/2021 directory	2025-12-25 08:00:04 -08:00
Peter Norvig	67e6fe4291	Add files via upload	2025-12-24 11:16:41 -08:00
Peter Norvig	45562b6690	Add files via upload	2025-12-23 12:45:27 -08:00
Peter Norvig	02168d2451	Add files via upload	2025-12-23 11:13:27 -08:00
Peter Norvig	55d2d5f3a7	Add files via upload	2025-12-22 10:03:24 -08:00
Peter Norvig	2df96d1cd4	Add files via upload	2025-12-20 23:30:58 -08:00
Peter Norvig	69a2b1f887	Add files via upload	2025-12-20 16:52:30 -08:00
Peter Norvig	85f08d9621	Add files via upload	2025-12-19 09:11:36 -08:00
Peter Norvig	5d6392a5b2	Add files via upload	2025-12-15 21:00:51 -08:00
Peter Norvig	a6b89dfbc0	Add files via upload	2025-12-14 23:25:26 -08:00
Peter Norvig	9cf68a49e8	Add files via upload	2025-12-13 22:55:06 -08:00
Peter Norvig	a522ee8225	Add files via upload	2025-12-13 11:38:40 -08:00
Visali Alagappan	e4e3083a6a	Adding code fixes for solution validation and an enhancement to identify the puzzle number	2025-11-23 16:45:48 +05:30
				`@@ -1 +0,0 @@`
				R4, R5, L5, L5, L3, R2, R1, R1, L5, R5, R2, L1, L3, L4, R3, L1, L1, R2, R3, R3, R1, L3, L5, R3, R1, L1, R1, R2, L1, L4, L5, R4, R2, L192, R5, L2, R53, R1, L5, R73, R5, L5, R186, L3, L2, R1, R3, L3, L3, R1, L4, L2, R3, L5, R4, R3, R1, L1, R5, R2, R1, R1, R1, R3, R2, L1, R5, R1, L5, R2, L2, L4, R3, L1, R4, L5, R4, R3, L5, L3, R4, R2, L5, L5, R2, R3, R5, R4, R2, R1, L1, L5, L2, L3, L4, L5, L4, L5, L1, R3, R4, R5, R3, L5, L4, L3, L1, L4, R2, R5, R5, R4, L2, L4, R3, R1, L2, R5, L5, R1, R1, L1, L5, L5, L2, L1, R5, R2, L4, L1, R4, R3, L3, R1, R5, L1, L4, R2, L3, R5, R3, R1, L3
				`@@ -1 +0,0 @@`
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				`@@ -1 +0,0 @@`
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				`@@ -1 +0,0 @@`
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				`@@ -1 +0,0 @@`
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				`@@ -1 +0,0 @@`
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