diff --git a/04-text-byte/zwj_sample.ipynb b/04-text-byte/zwj_sample.ipynb
new file mode 100644
index 0000000..993e5b9
--- /dev/null
+++ b/04-text-byte/zwj_sample.ipynb
@@ -0,0 +1,102 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "👨‍🦰\tE11.0\tman: red hair\n",
+      "\t👨\tU+1F468\tMAN + ZWG\n",
+      "\t🦰\tU+1F9B0\tEMOJI COMPONENT RED HAIR\n",
+      "🧑‍🤝‍🧑\tE12.0\tpeople holding hands\n",
+      "\t🧑\tU+1F9D1\tADULT + ZWG\n",
+      "\t🤝\tU+1F91D\tHANDSHAKE + ZWG\n",
+      "\t🧑\tU+1F9D1\tADULT\n",
+      "🏊🏿‍♀️\tE4.0\twoman swimming: dark skin tone\n",
+      "\t🏊\tU+1F3CA\tSWIMMER\n",
+      "\t🏿\tU+1F3FF\tEMOJI MODIFIER FITZPATRICK TYPE-6 + ZWG\n",
+      "\t♀\tU+2640\tFEMALE SIGN + V16\n",
+      "👩🏾‍✈️\tE4.0\twoman pilot: medium-dark skin tone\n",
+      "\t👩\tU+1F469\tWOMAN\n",
+      "\t🏾\tU+1F3FE\tEMOJI MODIFIER FITZPATRICK TYPE-5 + ZWG\n",
+      "\t✈\tU+2708\tAIRPLANE + V16\n",
+      "👨‍👩‍👧\tE2.0\tfamily: man, woman, girl\n",
+      "\t👨\tU+1F468\tMAN + ZWG\n",
+      "\t👩\tU+1F469\tWOMAN + ZWG\n",
+      "\t👧\tU+1F467\tGIRL\n",
+      "🏳️‍⚧️\tE13.0\ttransgender flag\n",
+      "\t🏳\tU+1F3F3\tWAVING WHITE FLAG + V16 + ZWG\n",
+      "\t⚧\tU+26A7\tMALE WITH STROKE AND MALE AND FEMALE SIGN + V16\n",
+      "👩‍❤️‍💋‍👩\tE2.0\tkiss: woman, woman\n",
+      "\t👩\tU+1F469\tWOMAN + ZWG\n",
+      "\t❤\tU+2764\tHEAVY BLACK HEART + V16 + ZWG\n",
+      "\t💋\tU+1F48B\tKISS MARK + ZWG\n",
+      "\t👩\tU+1F469\tWOMAN\n"
+     ]
+    }
+   ],
+   "source": [
+    "from unicodedata import name\n",
+    "\n",
+    "zwg_sample = \"\"\"\n",
+    "1F468 200D 1F9B0            |man: red hair                      |E11.0\n",
+    "1F9D1 200D 1F91D 200D 1F9D1 |people holding hands               |E12.0\n",
+    "1F3CA 1F3FF 200D 2640 FE0F  |woman swimming: dark skin tone     |E4.0\n",
+    "1F469 1F3FE 200D 2708 FE0F  |woman pilot: medium-dark skin tone |E4.0\n",
+    "1F468 200D 1F469 200D 1F467 |family: man, woman, girl           |E2.0\n",
+    "1F3F3 FE0F 200D 26A7 FE0F   |transgender flag                   |E13.0\n",
+    "1F469 200D 2764 FE0F 200D 1F48B 200D 1F469 |kiss: woman, woman  |E2.0\n",
+    "\"\"\"\n",
+    "\n",
+    "markers = {'\\u200D': 'ZWG', # ZERO WIDTH JOINER\n",
+    "           '\\uFE0F': 'V16', # VARIATION SELECTOR-16\n",
+    "          }\n",
+    "\n",
+    "for line in zwg_sample.strip().split('\\n'):\n",
+    "    code, descr, version = (s.strip() for s in line.split('|'))\n",
+    "    chars = [chr(int(c, 16)) for c in code.split()]\n",
+    "    print(''.join(chars), version, descr, sep='\\t', end='')\n",
+    "    while chars:\n",
+    "        char = chars.pop(0)\n",
+    "        if char in markers:\n",
+    "            print(' + ' + markers[char], end='')\n",
+    "        else:\n",
+    "            ucode = f'U+{ord(char):04X}'\n",
+    "            print(f'\\n\\t{char}\\t{ucode}\\t{name(char)}', end='')\n",
+    "    print()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/04-text-byte/zwj_sample.png b/04-text-byte/zwj_sample.png
new file mode 100644
index 0000000..1b1a3a5
Binary files /dev/null and b/04-text-byte/zwj_sample.png differ