diff --git a/data/advent2017/input21.txt b/data/advent2017/input21.txt
new file mode 100644
index 0000000..5ae0471
--- /dev/null
+++ b/data/advent2017/input21.txt
@@ -0,0 +1,108 @@
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diff --git a/data/advent2017/input22.txt b/data/advent2017/input22.txt
new file mode 100644
index 0000000..357184a
--- /dev/null
+++ b/data/advent2017/input22.txt
@@ -0,0 +1,25 @@
+..######.###...######...#
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diff --git a/data/advent2017/input23.txt b/data/advent2017/input23.txt
new file mode 100644
index 0000000..9d29443
--- /dev/null
+++ b/data/advent2017/input23.txt
@@ -0,0 +1,32 @@
+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
+mul g e
+sub g b
+jnz g 2
+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
diff --git a/data/advent2017/input24.txt b/data/advent2017/input24.txt
new file mode 100644
index 0000000..34f123c
--- /dev/null
+++ b/data/advent2017/input24.txt
@@ -0,0 +1,57 @@
+14/42
+2/3
+6/44
+4/10
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+35/39
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+5/29
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+0/30
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+22/26
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+8/7
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+48/10
+28/28
+2/13
+48/14