diff --git a/Chapter3/Augment training data by flipping.ipynb b/Chapter3/Augment training data by flipping.ipynb
new file mode 100644
index 0000000..b315174
--- /dev/null
+++ b/Chapter3/Augment training data by flipping.ipynb	
@@ -0,0 +1,2978 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "BARS_FOLDER = \"../rotated_barcodes/bars/\"\n",
+    "OUTPUT_FOLDER = \"../rotated_barcodes/bars/\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from os import listdir\n",
+    "from os.path import isfile, join\n",
+    "\n",
+    "paths = [BARS_FOLDER + f for f in listdir(BARS_FOLDER) if isfile(join(BARS_FOLDER, f))]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "(449, 4)\n"
+     ]
+    },
+    {
+     "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>path</th>\n",
+       "      <th>dec</th>\n",
+       "      <th>bin</th>\n",
+       "      <th>class</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>../rotated_barcodes/bars/1002792_0.png</td>\n",
+       "      <td>1002792</td>\n",
+       "      <td>0b11110100110100101000</td>\n",
+       "      <td>[19, 18, 17, 16, 14, 11, 10, 8, 5, 3]</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>../rotated_barcodes/bars/1002872_1.png</td>\n",
+       "      <td>1002872</td>\n",
+       "      <td>0b11110100110101111000</td>\n",
+       "      <td>[19, 18, 17, 16, 14, 11, 10, 8, 6, 5, 4, 3]</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>../rotated_barcodes/bars/1004045_68.png</td>\n",
+       "      <td>1004045</td>\n",
+       "      <td>0b11110101001000001101</td>\n",
+       "      <td>[19, 18, 17, 16, 14, 12, 9, 3, 2, 0]</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>../rotated_barcodes/bars/1004047_120.png</td>\n",
+       "      <td>1004047</td>\n",
+       "      <td>0b11110101001000001111</td>\n",
+       "      <td>[19, 18, 17, 16, 14, 12, 9, 3, 2, 1, 0]</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>../rotated_barcodes/bars/1007115_22.png</td>\n",
+       "      <td>1007115</td>\n",
+       "      <td>0b11110101111000001011</td>\n",
+       "      <td>[19, 18, 17, 16, 14, 12, 11, 10, 9, 3, 1, 0]</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                                       path      dec                     bin  \\\n",
+       "0    ../rotated_barcodes/bars/1002792_0.png  1002792  0b11110100110100101000   \n",
+       "1    ../rotated_barcodes/bars/1002872_1.png  1002872  0b11110100110101111000   \n",
+       "2   ../rotated_barcodes/bars/1004045_68.png  1004045  0b11110101001000001101   \n",
+       "3  ../rotated_barcodes/bars/1004047_120.png  1004047  0b11110101001000001111   \n",
+       "4   ../rotated_barcodes/bars/1007115_22.png  1007115  0b11110101111000001011   \n",
+       "\n",
+       "                                          class  \n",
+       "0         [19, 18, 17, 16, 14, 11, 10, 8, 5, 3]  \n",
+       "1   [19, 18, 17, 16, 14, 11, 10, 8, 6, 5, 4, 3]  \n",
+       "2          [19, 18, 17, 16, 14, 12, 9, 3, 2, 0]  \n",
+       "3       [19, 18, 17, 16, 14, 12, 9, 3, 2, 1, 0]  \n",
+       "4  [19, 18, 17, 16, 14, 12, 11, 10, 9, 3, 1, 0]  "
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "import pandas as pd\n",
+    "\n",
+    "df = pd.DataFrame({'path': paths})\n",
+    "df[\"dec\"] = df.apply(lambda x: int(x['path'].split(\"/\")[-1].split(\"_\")[0]), axis=1)\n",
+    "df[\"bin\"] = df.apply(lambda x: bin(x['dec']), axis=1)\n",
+    "df[\"class\"] = df.apply(lambda x: [i for i in reversed(range(20)) if (x['dec'] & 1 << i) != 0], axis=1)\n",
+    "    \n",
+    "print(df.shape)\n",
+    "df.head()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from PIL import Image\n",
+    "from PIL import ImageOps"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "h_m = {0:1, 1:0, 2:3, 3:2, \n",
+    "       4:5, 5:4, 6:7, 7:6, \n",
+    "       8:9, 9:8, 10:11, 11:10, \n",
+    "       12:13, 13:12, 14:15, 15:14, \n",
+    "       16:17, 17:16, 18:19, 19:18}\n",
+    "\n",
+    "v_m = {0:19, 19:0, 3:16, 16:3,\n",
+    "      1:18, 18:1, 2:17, 17:2,\n",
+    "      4:15, 15:4, 5:14, 14:5,\n",
+    "      7:12, 12:7, 6:13, 13:6,\n",
+    "      8:11, 11:8, 9:10, 10:9}\n",
+    "\n",
+    "\n",
+    "def h_mirror_code(code):\n",
+    "    mirror_code = 0\n",
+    "    for i in range(20):\n",
+    "        mirror_code += (1 if code & 1 << h_m[i] != 0 else 0) << i\n",
+    "    \n",
+    "    return mirror_code    \n",
+    "\n",
+    "def v_mirror_code(code):\n",
+    "    mirror_code = 0\n",
+    "    for i in range(20):\n",
+    "        mirror_code += (1 if code & 1 << v_m[i] != 0 else 0) << i\n",
+    "    \n",
+    "    return mirror_code \n",
+    "\n",
+    "def hv_mirror_code(code):\n",
+    "    mirror_code = 0\n",
+    "    for i in range(20):\n",
+    "        mirror_code += (1 if code & 1 << h_m[v_m[i]] != 0 else 0) << i\n",
+    "    \n",
+    "    return mirror_code "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "../rotated_barcodes/bars/1002792_0.png 1002792\n",
+      "1019412\n",
+      "../rotated_barcodes/bars/1002872_1.png 1002872\n",
+      "1019572\n",
+      "../rotated_barcodes/bars/1004045_68.png 1004045\n",
+      "1024270\n",
+      "../rotated_barcodes/bars/1004047_120.png 1004047\n",
+      "1024271\n",
+      "../rotated_barcodes/bars/1007115_22.png 1007115\n",
+      "1027335\n",
+      "../rotated_barcodes/bars/1008617_100.png 1008617\n",
+      "1020886\n",
+      "../rotated_barcodes/bars/1008855_28.png 1008855\n",
+      "1022187\n",
+      "../rotated_barcodes/bars/1008962_2.png 1008962\n",
+      "1022593\n",
+      "../rotated_barcodes/bars/1009783_89.png 1009783\n",
+      "1021115\n",
+      "../rotated_barcodes/bars/1011307_73.png 1011307\n",
+      "1023383\n",
+      "../rotated_barcodes/bars/101150_71.png 101150\n",
+      "149293\n",
+      "../rotated_barcodes/bars/1011796_24.png 1011796\n",
+      "1028264\n",
+      "../rotated_barcodes/bars/1012500_92.png 1012500\n",
+      "1028904\n",
+      "../rotated_barcodes/bars/1014147_44.png 1014147\n",
+      "1029699\n",
+      "../rotated_barcodes/bars/1016272_3.png 1016272\n",
+      "1000160\n",
+      "../rotated_barcodes/bars/1019981_4.png 1019981\n",
+      "1007758\n",
+      "../rotated_barcodes/bars/1020151_85.png 1020151\n",
+      "1007867\n",
+      "../rotated_barcodes/bars/1020477_66.png 1020477\n",
+      "1007934\n",
+      "../rotated_barcodes/bars/1021722_32.png 1021722\n",
+      "1010469\n",
+      "../rotated_barcodes/bars/1024768_39.png 1024768\n",
+      "1004288\n",
+      "../rotated_barcodes/bars/1026078_5.png 1026078\n",
+      "1004589\n",
+      "../rotated_barcodes/bars/1028139_52.png 1028139\n",
+      "1011735\n",
+      "../rotated_barcodes/bars/1028152_6.png 1028152\n",
+      "1011764\n",
+      "../rotated_barcodes/bars/1029930_105.png 1029930\n",
+      "1014549\n",
+      "../rotated_barcodes/bars/1035909_15.png 1035909\n",
+      "1035594\n",
+      "../rotated_barcodes/bars/1035941_7.png 1035941\n",
+      "1035610\n",
+      "../rotated_barcodes/bars/1035978_109.png 1035978\n",
+      "1035717\n",
+      "../rotated_barcodes/bars/1040774_62.png 1040774\n",
+      "1036873\n",
+      "../rotated_barcodes/bars/1041429_83.png 1041429\n",
+      "1038378\n",
+      "../rotated_barcodes/bars/109721_59.png 109721\n",
+      "154726\n",
+      "../rotated_barcodes/bars/113886_62.png 113886\n",
+      "163053\n",
+      "../rotated_barcodes/bars/115580_3.png 115580\n",
+      "181180\n",
+      "../rotated_barcodes/bars/120042_83.png 120042\n",
+      "190677\n",
+      "../rotated_barcodes/bars/122735_124.png 122735\n",
+      "192415\n",
+      "../rotated_barcodes/bars/124788_14.png 124788\n",
+      "187320\n",
+      "../rotated_barcodes/bars/12587_127.png 12587\n",
+      "12823\n",
+      "../rotated_barcodes/bars/126342_51.png 126342\n",
+      "187977\n",
+      "../rotated_barcodes/bars/126627_2.png 126627\n",
+      "187731\n",
+      "../rotated_barcodes/bars/126888_8.png 126888\n",
+      "188244\n",
+      "../rotated_barcodes/bars/130414_9.png 130414\n",
+      "196253\n",
+      "../rotated_barcodes/bars/131257_10.png 131257\n",
+      "65654\n",
+      "../rotated_barcodes/bars/13253_59.png 13253\n",
+      "13258\n",
+      "../rotated_barcodes/bars/135472_11.png 135472\n",
+      "74288\n",
+      "../rotated_barcodes/bars/139281_12.png 139281\n",
+      "69666\n",
+      "../rotated_barcodes/bars/140809_56.png 140809\n",
+      "71942\n",
+      "../rotated_barcodes/bars/142139_13.png 142139\n",
+      "71479\n",
+      "../rotated_barcodes/bars/143779_14.png 143779\n",
+      "78419\n",
+      "../rotated_barcodes/bars/144008_67.png 144008\n",
+      "78148\n",
+      "../rotated_barcodes/bars/144547_20.png 144547\n",
+      "79955\n",
+      "../rotated_barcodes/bars/145681_25.png 145681\n",
+      "79394\n",
+      "../rotated_barcodes/bars/146199_104.png 146199\n",
+      "79659\n",
+      "../rotated_barcodes/bars/147052_15.png 147052\n",
+      "81308\n",
+      "../rotated_barcodes/bars/147941_16.png 147941\n",
+      "99034\n",
+      "../rotated_barcodes/bars/148374_71.png 148374\n",
+      "99177\n",
+      "../rotated_barcodes/bars/148419_17.png 148419\n",
+      "99267\n",
+      "../rotated_barcodes/bars/149391_11.png 149391\n",
+      "101199\n",
+      "../rotated_barcodes/bars/151253_18.png 151253\n",
+      "101866\n",
+      "../rotated_barcodes/bars/15302_19.png 15302\n",
+      "14281\n",
+      "../rotated_barcodes/bars/153584_15.png 153584\n",
+      "109552\n",
+      "../rotated_barcodes/bars/154141_52.png 154141\n",
+      "107822\n",
+      "../rotated_barcodes/bars/155050_108.png 155050\n",
+      "110165\n",
+      "../rotated_barcodes/bars/155196_121.png 155196\n",
+      "109884\n",
+      "../rotated_barcodes/bars/157572_73.png 157572\n",
+      "105288\n",
+      "../rotated_barcodes/bars/159225_69.png 159225\n",
+      "106230\n",
+      "../rotated_barcodes/bars/16107_101.png 16107\n",
+      "15831\n",
+      "../rotated_barcodes/bars/161487_20.png 161487\n",
+      "113103\n",
+      "../rotated_barcodes/bars/162332_82.png 162332\n",
+      "111916\n",
+      "../rotated_barcodes/bars/163924_22.png 163924\n",
+      "82088\n",
+      "../rotated_barcodes/bars/172939_52.png 172939\n",
+      "86855\n",
+      "../rotated_barcodes/bars/173698_80.png 173698\n",
+      "88385\n",
+      "../rotated_barcodes/bars/18010_21.png 18010\n",
+      "35237\n",
+      "../rotated_barcodes/bars/181531_22.png 181531\n",
+      "117287\n",
+      "../rotated_barcodes/bars/185046_99.png 185046\n",
+      "123369\n",
+      "../rotated_barcodes/bars/186315_23.png 186315\n",
+      "125895\n",
+      "../rotated_barcodes/bars/187453_70.png 187453\n",
+      "126014\n",
+      "../rotated_barcodes/bars/190403_65.png 190403\n",
+      "121795\n",
+      "../rotated_barcodes/bars/199045_24.png 199045\n",
+      "198218\n",
+      "../rotated_barcodes/bars/199198_101.png 199198\n",
+      "197933\n",
+      "../rotated_barcodes/bars/20031_25.png 20031\n",
+      "36159\n",
+      "../rotated_barcodes/bars/210504_57.png 210504\n",
+      "211332\n",
+      "../rotated_barcodes/bars/210846_113.png 210846\n",
+      "211821\n",
+      "../rotated_barcodes/bars/215763_121.png 215763\n",
+      "230883\n",
+      "../rotated_barcodes/bars/218132_26.png 218132\n",
+      "239656\n",
+      "../rotated_barcodes/bars/221768_52.png 221768\n",
+      "233860\n",
+      "../rotated_barcodes/bars/223765_26.png 223765\n",
+      "234794\n",
+      "../rotated_barcodes/bars/224264_89.png 224264\n",
+      "236548\n",
+      "../rotated_barcodes/bars/229904_24.png 229904\n",
+      "213280\n",
+      "../rotated_barcodes/bars/231833_35.png 231833\n",
+      "214630\n",
+      "../rotated_barcodes/bars/232737_109.png 232737\n",
+      "216594\n",
+      "../rotated_barcodes/bars/233336_61.png 233336\n",
+      "217012\n",
+      "../rotated_barcodes/bars/240408_37.png 240408\n",
+      "218916\n",
+      "../rotated_barcodes/bars/242463_53.png 242463\n",
+      "226095\n",
+      "../rotated_barcodes/bars/24309_22.png 24309\n",
+      "44538\n",
+      "../rotated_barcodes/bars/244938_44.png 244938\n",
+      "228549\n",
+      "../rotated_barcodes/bars/245756_37.png 245756\n",
+      "229372\n",
+      "../rotated_barcodes/bars/246281_123.png 246281\n",
+      "246022\n",
+      "../rotated_barcodes/bars/247226_107.png 247226\n",
+      "248437\n",
+      "../rotated_barcodes/bars/248_27.png 248\n",
+      "244\n",
+      "../rotated_barcodes/bars/2506_28.png 2506\n",
+      "1733\n",
+      "../rotated_barcodes/bars/251415_29.png 251415\n",
+      "256299\n",
+      "../rotated_barcodes/bars/251453_83.png 251453\n",
+      "256318\n",
+      "../rotated_barcodes/bars/258898_30.png 258898\n",
+      "258977\n",
+      "../rotated_barcodes/bars/259397_31.png 259397\n",
+      "260746\n",
+      "../rotated_barcodes/bars/262596_73.png 262596\n",
+      "525000\n",
+      "../rotated_barcodes/bars/264960_32.png 264960\n",
+      "526080\n",
+      "../rotated_barcodes/bars/265896_69.png 265896\n",
+      "527700\n",
+      "../rotated_barcodes/bars/266329_46.png 266329\n",
+      "532646\n",
+      "../rotated_barcodes/bars/270635_112.png 270635\n",
+      "528919\n",
+      "../rotated_barcodes/bars/273053_5.png 273053\n",
+      "529774\n",
+      "../rotated_barcodes/bars/273058_33.png 273058\n",
+      "529745\n",
+      "../rotated_barcodes/bars/281278_15.png 281278\n",
+      "558461\n",
+      "../rotated_barcodes/bars/284608_112.png 284608\n",
+      "568256\n",
+      "../rotated_barcodes/bars/284732_6.png 284732\n",
+      "566332\n",
+      "../rotated_barcodes/bars/286167_2.png 286167\n",
+      "569067\n",
+      "../rotated_barcodes/bars/288145_100.png 288145\n",
+      "563810\n",
+      "../rotated_barcodes/bars/290213_34.png 290213\n",
+      "564826\n",
+      "../rotated_barcodes/bars/291654_35.png 291654\n",
+      "570249\n",
+      "../rotated_barcodes/bars/292187_124.png 292187\n",
+      "572071\n",
+      "../rotated_barcodes/bars/294025_66.png 294025\n",
+      "572486\n",
+      "../rotated_barcodes/bars/294663_71.png 294663\n",
+      "573195\n",
+      "../rotated_barcodes/bars/295622_109.png 295622\n",
+      "541129\n",
+      "../rotated_barcodes/bars/296850_88.png 296850\n",
+      "543585\n",
+      "../rotated_barcodes/bars/297119_80.png 297119\n",
+      "541807\n",
+      "../rotated_barcodes/bars/299368_36.png 299368\n",
+      "549524\n",
+      "../rotated_barcodes/bars/300079_37.png 300079\n",
+      "550943\n",
+      "../rotated_barcodes/bars/30023_84.png 30023\n",
+      "47755\n",
+      "../rotated_barcodes/bars/300568_38.png 300568\n",
+      "551204\n",
+      "../rotated_barcodes/bars/301762_5.png 301762\n",
+      "550337\n",
+      "../rotated_barcodes/bars/305388_39.png 305388\n",
+      "546012\n",
+      "../rotated_barcodes/bars/306918_22.png 306918\n",
+      "548313\n",
+      "../rotated_barcodes/bars/31491_40.png 31491\n",
+      "46851\n",
+      "../rotated_barcodes/bars/315942_88.png 315942\n",
+      "581913\n",
+      "../rotated_barcodes/bars/317498_55.png 317498\n",
+      "582709\n",
+      "../rotated_barcodes/bars/325293_40.png 325293\n",
+      "588126\n",
+      "../rotated_barcodes/bars/326986_32.png 326986\n",
+      "589445\n",
+      "../rotated_barcodes/bars/329008_28.png 329008\n",
+      "657968\n",
+      "../rotated_barcodes/bars/329481_89.png 329481\n",
+      "658182\n",
+      "../rotated_barcodes/bars/333128_117.png 333128\n",
+      "666244\n",
+      "../rotated_barcodes/bars/333461_45.png 333461\n",
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+      "../rotated_barcodes/bars/794159_10.png 794159\n",
+      "797983\n",
+      "../rotated_barcodes/bars/795073_52.png 795073\n",
+      "791234\n",
+      "../rotated_barcodes/bars/796043_105.png 796043\n",
+      "793159\n",
+      "../rotated_barcodes/bars/796155_106.png 796155\n",
+      "793335\n",
+      "../rotated_barcodes/bars/796968_93.png 796968\n",
+      "792084\n",
+      "../rotated_barcodes/bars/798645_94.png 798645\n",
+      "794490\n",
+      "../rotated_barcodes/bars/802074_35.png 802074\n",
+      "802341\n",
+      "../rotated_barcodes/bars/803285_70.png 803285\n",
+      "819946\n",
+      "../rotated_barcodes/bars/812578_33.png 812578\n",
+      "825617\n",
+      "../rotated_barcodes/bars/812916_13.png 812916\n",
+      "826296\n",
+      "../rotated_barcodes/bars/817129_38.png 817129\n",
+      "834518\n",
+      "../rotated_barcodes/bars/821985_97.png 821985\n",
+      "804306\n",
+      "../rotated_barcodes/bars/826240_107.png 826240\n",
+      "812864\n",
+      "../rotated_barcodes/bars/831722_26.png 831722\n",
+      "815317\n",
+      "../rotated_barcodes/bars/83180_126.png 83180\n",
+      "166108\n",
+      "../rotated_barcodes/bars/836147_34.png 836147\n",
+      "835891\n",
+      "../rotated_barcodes/bars/836894_59.png 836894\n",
+      "838189\n",
+      "../rotated_barcodes/bars/836974_56.png 836974\n",
+      "838301\n",
+      "../rotated_barcodes/bars/837963_108.png 837963\n",
+      "837255\n",
+      "../rotated_barcodes/bars/845228_108.png 845228\n",
+      "842332\n",
+      "../rotated_barcodes/bars/847870_81.png 847870\n",
+      "843773\n",
+      "../rotated_barcodes/bars/850150_78.png 850150\n",
+      "849113\n",
+      "../rotated_barcodes/bars/851759_127.png 851759\n",
+      "851743\n",
+      "../rotated_barcodes/bars/853457_109.png 853457\n",
+      "920290\n",
+      "../rotated_barcodes/bars/854261_101.png 854261\n",
+      "918778\n",
+      "../rotated_barcodes/bars/85470_76.png 85470\n",
+      "167661\n",
+      "../rotated_barcodes/bars/854789_61.png 854789\n",
+      "919306\n",
+      "../rotated_barcodes/bars/856653_109.png 856653\n",
+      "926094\n",
+      "../rotated_barcodes/bars/859706_104.png 859706\n",
+      "929077\n",
+      "../rotated_barcodes/bars/859961_100.png 859961\n",
+      "929590\n",
+      "../rotated_barcodes/bars/859980_41.png 859980\n",
+      "929676\n",
+      "../rotated_barcodes/bars/865829_112.png 865829\n",
+      "932122\n",
+      "../rotated_barcodes/bars/86696_110.png 86696\n",
+      "172372\n",
+      "../rotated_barcodes/bars/871471_111.png 871471\n",
+      "953375\n",
+      "../rotated_barcodes/bars/873543_82.png 873543\n",
+      "960651\n",
+      "../rotated_barcodes/bars/875188_40.png 875188\n",
+      "959864\n",
+      "../rotated_barcodes/bars/875443_46.png 875443\n",
+      "960371\n",
+      "../rotated_barcodes/bars/877371_65.png 877371\n",
+      "955191\n",
+      "../rotated_barcodes/bars/887007_111.png 887007\n",
+      "935151\n",
+      "../rotated_barcodes/bars/888605_118.png 888605\n",
+      "937774\n",
+      "../rotated_barcodes/bars/89206_14.png 89206\n",
+      "175289\n",
+      "../rotated_barcodes/bars/894582_0.png 894582\n",
+      "940473\n",
+      "../rotated_barcodes/bars/894859_13.png 894859\n",
+      "940871\n",
+      "../rotated_barcodes/bars/896978_71.png 896978\n",
+      "942049\n",
+      "../rotated_barcodes/bars/903921_46.png 903921\n",
+      "968178\n",
+      "../rotated_barcodes/bars/903934_55.png 903934\n",
+      "968189\n",
+      "../rotated_barcodes/bars/906367_89.png 906367\n",
+      "977087\n",
+      "../rotated_barcodes/bars/908303_112.png 908303\n",
+      "977935\n",
+      "../rotated_barcodes/bars/909886_44.png 909886\n",
+      "971069\n",
+      "../rotated_barcodes/bars/914004_113.png 914004\n",
+      "979368\n",
+      "../rotated_barcodes/bars/915487_72.png 915487\n",
+      "980015\n",
+      "../rotated_barcodes/bars/915835_59.png 915835\n",
+      "980663\n",
+      "../rotated_barcodes/bars/916477_114.png 916477\n",
+      "980990\n",
+      "../rotated_barcodes/bars/917567_107.png 917567\n",
+      "852031\n",
+      "../rotated_barcodes/bars/917867_61.png 917867\n",
+      "852631\n",
+      "../rotated_barcodes/bars/920234_52.png 920234\n",
+      "853333\n",
+      "../rotated_barcodes/bars/920618_39.png 920618\n",
+      "855061\n",
+      "../rotated_barcodes/bars/921443_2.png 921443\n",
+      "855955\n",
+      "../rotated_barcodes/bars/922284_81.png 922284\n",
+      "860508\n",
+      "../rotated_barcodes/bars/923680_115.png 923680\n",
+      "861200\n",
+      "../rotated_barcodes/bars/926999_116.png 926999\n",
+      "858667\n",
+      "../rotated_barcodes/bars/927121_117.png 927121\n",
+      "858722\n",
+      "../rotated_barcodes/bars/927672_118.png 927672\n",
+      "858996\n",
+      "../rotated_barcodes/bars/931401_119.png 931401\n",
+      "866694\n",
+      "../rotated_barcodes/bars/933718_120.png 933718\n",
+      "868265\n",
+      "../rotated_barcodes/bars/934311_121.png 934311\n",
+      "885339\n",
+      "../rotated_barcodes/bars/934533_0.png 934533\n",
+      "885066\n",
+      "../rotated_barcodes/bars/941292_122.png 941292\n",
+      "896220\n",
+      "../rotated_barcodes/bars/943193_124.png 943193\n",
+      "891046\n",
+      "../rotated_barcodes/bars/943662_123.png 943662\n",
+      "891165\n",
+      "../rotated_barcodes/bars/947515_32.png 947515\n",
+      "899639\n",
+      "../rotated_barcodes/bars/949613_32.png 949613\n",
+      "900766\n",
+      "../rotated_barcodes/bars/952345_37.png 952345\n",
+      "869414\n",
+      "../rotated_barcodes/bars/955310_124.png 955310\n",
+      "877405\n",
+      "../rotated_barcodes/bars/957227_28.png 957227\n",
+      "878359\n",
+      "../rotated_barcodes/bars/96736_63.png 96736\n",
+      "177872\n",
+      "../rotated_barcodes/bars/971208_120.png 971208\n",
+      "910020\n",
+      "../rotated_barcodes/bars/974681_125.png 974681\n",
+      "913318\n",
+      "../rotated_barcodes/bars/974748_75.png 974748\n",
+      "913260\n",
+      "../rotated_barcodes/bars/975127_42.png 975127\n",
+      "905771\n",
+      "../rotated_barcodes/bars/975487_81.png 975487\n",
+      "905663\n",
+      "../rotated_barcodes/bars/97565_15.png 97565\n",
+      "179758\n",
+      "../rotated_barcodes/bars/983228_126.png 983228\n",
+      "983164\n",
+      "../rotated_barcodes/bars/983634_120.png 983634\n",
+      "983457\n",
+      "../rotated_barcodes/bars/984099_105.png 984099\n",
+      "985107\n",
+      "../rotated_barcodes/bars/987102_26.png 987102\n",
+      "987117\n",
+      "../rotated_barcodes/bars/98869_127.png 98869\n",
+      "147770\n",
+      "../rotated_barcodes/bars/995537_81.png 995537\n",
+      "995554\n"
+     ]
+    }
+   ],
+   "source": [
+    "# generate horizontally flipped images\n",
+    "for path, dec in zip(df[\"path\"], df[\"dec\"]):\n",
+    "    print(path, dec)\n",
+    "    im = Image.open(path)\n",
+    "    im = ImageOps.mirror(im)\n",
+    "    new_code = h_mirror_code(dec)\n",
+    "    print(new_code)\n",
+    "    im.save(\"{}/{}_h_{}.png\".format(OUTPUT_FOLDER, new_code, dec))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "../rotated_barcodes/bars/1002792_0.png 1002792\n",
+      "84783\n",
+      "../rotated_barcodes/bars/1002872_1.png 1002872\n",
+      "125743\n",
+      "../rotated_barcodes/bars/1004045_68.png 1004045\n",
+      "722095\n",
+      "../rotated_barcodes/bars/1004047_120.png 1004047\n",
+      "984239\n",
+      "../rotated_barcodes/bars/1007115_22.png 1007115\n",
+      "853935\n",
+      "../rotated_barcodes/bars/1008617_100.png 1008617\n",
+      "621679\n",
+      "../rotated_barcodes/bars/1008855_28.png 1008855\n",
+      "963183\n",
+      "../rotated_barcodes/bars/1008962_2.png 1008962\n",
+      "273007\n",
+      "../rotated_barcodes/bars/1009783_89.png 1009783\n",
+      "975215\n",
+      "../rotated_barcodes/bars/1011307_73.png 1011307\n",
+      "878447\n",
+      "../rotated_barcodes/bars/101150_71.png 101150\n",
+      "494872\n",
+      "../rotated_barcodes/bars/1011796_24.png 1011796\n",
+      "172271\n",
+      "../rotated_barcodes/bars/1012500_92.png 1012500\n",
+      "167151\n",
+      "../rotated_barcodes/bars/1014147_44.png 1014147\n",
+      "793071\n",
+      "../rotated_barcodes/bars/1016272_3.png 1016272\n",
+      "47135\n",
+      "../rotated_barcodes/bars/1019981_4.png 1019981\n",
+      "729247\n",
+      "../rotated_barcodes/bars/1020151_85.png 1020151\n",
+      "979103\n",
+      "../rotated_barcodes/bars/1020477_66.png 1020477\n",
+      "771231\n",
+      "../rotated_barcodes/bars/1021722_32.png 1021722\n",
+      "364191\n",
+      "../rotated_barcodes/bars/1024768_39.png 1024768\n",
+      "3167\n",
+      "../rotated_barcodes/bars/1026078_5.png 1026078\n",
+      "491871\n",
+      "../rotated_barcodes/bars/1028139_52.png 1028139\n",
+      "868575\n",
+      "../rotated_barcodes/bars/1028152_6.png 1028152\n",
+      "114911\n",
+      "../rotated_barcodes/bars/1029930_105.png 1029930\n",
+      "347871\n",
+      "../rotated_barcodes/bars/1035909_15.png 1035909\n",
+      "661311\n",
+      "../rotated_barcodes/bars/1035941_7.png 1035941\n",
+      "677695\n",
+      "../rotated_barcodes/bars/1035978_109.png 1035978\n",
+      "341823\n",
+      "../rotated_barcodes/bars/1040774_62.png 1040774\n",
+      "399487\n",
+      "../rotated_barcodes/bars/1041429_83.png 1041429\n",
+      "688767\n",
+      "../rotated_barcodes/bars/109721_59.png 109721\n",
+      "627544\n",
+      "../rotated_barcodes/bars/113886_62.png 113886\n",
+      "504792\n",
+      "../rotated_barcodes/bars/115580_3.png 115580\n",
+      "257080\n",
+      "../rotated_barcodes/bars/120042_83.png 120042\n",
+      "357048\n",
+      "../rotated_barcodes/bars/122735_124.png 122735\n",
+      "1011640\n",
+      "../rotated_barcodes/bars/124788_14.png 124788\n",
+      "192120\n",
+      "../rotated_barcodes/bars/12587_127.png 12587\n",
+      "870592\n",
+      "../rotated_barcodes/bars/126342_51.png 126342\n",
+      "400248\n",
+      "../rotated_barcodes/bars/126627_2.png 126627\n",
+      "808824\n",
+      "../rotated_barcodes/bars/126888_8.png 126888\n",
+      "89976\n",
+      "../rotated_barcodes/bars/130414_9.png 130414\n",
+      "486392\n",
+      "../rotated_barcodes/bars/131257_10.png 131257\n",
+      "643076\n",
+      "../rotated_barcodes/bars/13253_59.png 13253\n",
+      "670912\n",
+      "../rotated_barcodes/bars/135472_11.png 135472\n",
+      "51332\n",
+      "../rotated_barcodes/bars/139281_12.png 139281\n",
+      "557124\n",
+      "../rotated_barcodes/bars/140809_56.png 140809\n",
+      "591428\n",
+      "../rotated_barcodes/bars/142139_13.png 142139\n",
+      "904516\n",
+      "../rotated_barcodes/bars/143779_14.png 143779\n",
+      "809156\n",
+      "../rotated_barcodes/bars/144008_67.png 144008\n",
+      "70852\n",
+      "../rotated_barcodes/bars/144547_20.png 144547\n",
+      "807620\n",
+      "../rotated_barcodes/bars/145681_25.png 145681\n",
+      "559556\n",
+      "../rotated_barcodes/bars/146199_104.png 146199\n",
+      "953796\n",
+      "../rotated_barcodes/bars/147052_15.png 147052\n",
+      "223172\n",
+      "../rotated_barcodes/bars/147941_16.png 147941\n",
+      "686116\n",
+      "../rotated_barcodes/bars/148374_71.png 148374\n",
+      "433188\n",
+      "../rotated_barcodes/bars/148419_17.png 148419\n",
+      "801828\n",
+      "../rotated_barcodes/bars/149391_11.png 149391\n",
+      "990756\n",
+      "../rotated_barcodes/bars/151253_18.png 151253\n",
+      "702244\n",
+      "../rotated_barcodes/bars/15302_19.png 15302\n",
+      "409024\n",
+      "../rotated_barcodes/bars/153584_15.png 153584\n",
+      "65188\n",
+      "../rotated_barcodes/bars/154141_52.png 154141\n",
+      "755108\n",
+      "../rotated_barcodes/bars/155050_108.png 155050\n",
+      "351140\n",
+      "../rotated_barcodes/bars/155196_121.png 155196\n",
+      "247716\n",
+      "../rotated_barcodes/bars/157572_73.png 157572\n",
+      "138852\n",
+      "../rotated_barcodes/bars/159225_69.png 159225\n",
+      "654180\n",
+      "../rotated_barcodes/bars/16107_101.png 16107\n",
+      "882624\n",
+      "../rotated_barcodes/bars/161487_20.png 161487\n",
+      "997092\n",
+      "../rotated_barcodes/bars/162332_82.png 162332\n",
+      "230884\n",
+      "../rotated_barcodes/bars/163924_22.png 163924\n",
+      "172052\n",
+      "../rotated_barcodes/bars/172939_52.png 172939\n",
+      "859220\n",
+      "../rotated_barcodes/bars/173698_80.png 173698\n",
+      "267860\n",
+      "../rotated_barcodes/bars/18010_21.png 18010\n",
+      "370208\n",
+      "../rotated_barcodes/bars/181531_22.png 181531\n",
+      "887348\n",
+      "../rotated_barcodes/bars/185046_99.png 185046\n",
+      "439476\n",
+      "../rotated_barcodes/bars/186315_23.png 186315\n",
+      "868020\n",
+      "../rotated_barcodes/bars/187453_70.png 187453\n",
+      "770996\n",
+      "../rotated_barcodes/bars/190403_65.png 190403\n",
+      "802420\n",
+      "../rotated_barcodes/bars/199045_24.png 199045\n",
+      "661772\n",
+      "../rotated_barcodes/bars/199198_101.png 199198\n",
+      "492812\n",
+      "../rotated_barcodes/bars/20031_25.png 20031\n",
+      "1034016\n",
+      "../rotated_barcodes/bars/210504_57.png 210504\n",
+      "75468\n",
+      "../rotated_barcodes/bars/210846_113.png 210846\n",
+      "499404\n",
+      "../rotated_barcodes/bars/215763_121.png 215763\n",
+      "832812\n",
+      "../rotated_barcodes/bars/218132_26.png 218132\n",
+      "164524\n",
+      "../rotated_barcodes/bars/221768_52.png 221768\n",
+      "74860\n",
+      "../rotated_barcodes/bars/223765_26.png 223765\n",
+      "689516\n",
+      "../rotated_barcodes/bars/224264_89.png 224264\n",
+      "66412\n",
+      "../rotated_barcodes/bars/229904_24.png 229904\n",
+      "33820\n",
+      "../rotated_barcodes/bars/231833_35.png 231833\n",
+      "629020\n",
+      "../rotated_barcodes/bars/232737_109.png 232737\n",
+      "543516\n",
+      "../rotated_barcodes/bars/233336_61.png 233336\n",
+      "126748\n",
+      "../rotated_barcodes/bars/240408_37.png 240408\n",
+      "101724\n",
+      "../rotated_barcodes/bars/242463_53.png 242463\n",
+      "1019100\n",
+      "../rotated_barcodes/bars/24309_22.png 24309\n",
+      "718752\n",
+      "../rotated_barcodes/bars/244938_44.png 244938\n",
+      "340956\n",
+      "../rotated_barcodes/bars/245756_37.png 245756\n",
+      "262108\n",
+      "../rotated_barcodes/bars/246281_123.png 246281\n",
+      "590908\n",
+      "../rotated_barcodes/bars/247226_107.png 247226\n",
+      "383548\n",
+      "../rotated_barcodes/bars/248_27.png 248\n",
+      "126976\n",
+      "../rotated_barcodes/bars/2506_28.png 2506\n",
+      "342272\n",
+      "../rotated_barcodes/bars/251415_29.png 251415\n",
+      "951996\n",
+      "../rotated_barcodes/bars/251453_83.png 251453\n",
+      "771772\n",
+      "../rotated_barcodes/bars/258898_30.png 258898\n",
+      "306428\n",
+      "../rotated_barcodes/bars/259397_31.png 259397\n",
+      "666364\n",
+      "../rotated_barcodes/bars/262596_73.png 262596\n",
+      "145410\n",
+      "../rotated_barcodes/bars/264960_32.png 264960\n",
+      "3330\n",
+      "../rotated_barcodes/bars/265896_69.png 265896\n",
+      "87810\n",
+      "../rotated_barcodes/bars/266329_46.png 266329\n",
+      "630914\n",
+      "../rotated_barcodes/bars/270635_112.png 270635\n",
+      "870466\n",
+      "../rotated_barcodes/bars/273053_5.png 273053\n",
+      "759106\n",
+      "../rotated_barcodes/bars/273058_33.png 273058\n",
+      "283970\n",
+      "../rotated_barcodes/bars/281278_15.png 281278\n",
+      "513314\n",
+      "../rotated_barcodes/bars/284608_112.png 284608\n",
+      "16034\n",
+      "../rotated_barcodes/bars/284732_6.png 284732\n",
+      "246178\n",
+      "../rotated_barcodes/bars/286167_2.png 286167\n",
+      "965538\n",
+      "../rotated_barcodes/bars/288145_100.png 288145\n",
+      "563810\n",
+      "../rotated_barcodes/bars/290213_34.png 290213\n",
+      "678754\n",
+      "../rotated_barcodes/bars/291654_35.png 291654\n",
+      "404706\n",
+      "../rotated_barcodes/bars/292187_124.png 292187\n",
+      "895714\n",
+      "../rotated_barcodes/bars/294025_66.png 294025\n",
+      "594914\n",
+      "../rotated_barcodes/bars/294663_71.png 294663\n",
+      "921570\n",
+      "../rotated_barcodes/bars/295622_109.png 295622\n",
+      "406546\n",
+      "../rotated_barcodes/bars/296850_88.png 296850\n",
+      "302610\n",
+      "../rotated_barcodes/bars/297119_80.png 297119\n",
+      "1020178\n",
+      "../rotated_barcodes/bars/299368_36.png 299368\n",
+      "92306\n",
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+      "../rotated_barcodes/bars/771384_101.png 771384\n",
+      "117309\n",
+      "../rotated_barcodes/bars/773819_95.png 773819\n",
+      "907069\n",
+      "../rotated_barcodes/bars/774581_3.png 774581\n",
+      "710845\n",
+      "../rotated_barcodes/bars/77563_53.png 77563\n",
+      "915272\n",
+      "../rotated_barcodes/bars/77567_60.png 77567\n",
+      "1046344\n",
+      "../rotated_barcodes/bars/776566_60.png 776566\n",
+      "453053\n",
+      "../rotated_barcodes/bars/777708_102.png 777708\n",
+      "228285\n",
+      "../rotated_barcodes/bars/780129_62.png 780129\n",
+      "552573\n",
+      "../rotated_barcodes/bars/781437_112.png 781437\n",
+      "779133\n",
+      "../rotated_barcodes/bars/784739_35.png 784739\n",
+      "813565\n",
+      "../rotated_barcodes/bars/785066_26.png 785066\n",
+      "349693\n",
+      "../rotated_barcodes/bars/788159_122.png 788159\n",
+      "1037827\n",
+      "../rotated_barcodes/bars/790872_103.png 790872\n",
+      "108675\n",
+      "../rotated_barcodes/bars/791427_104.png 791427\n",
+      "793731\n",
+      "../rotated_barcodes/bars/794159_10.png 794159\n",
+      "1001347\n",
+      "../rotated_barcodes/bars/795073_52.png 795073\n",
+      "538691\n",
+      "../rotated_barcodes/bars/796043_105.png 796043\n",
+      "858691\n",
+      "../rotated_barcodes/bars/796155_106.png 796155\n",
+      "916035\n",
+      "../rotated_barcodes/bars/796968_93.png 796968\n",
+      "84291\n",
+      "../rotated_barcodes/bars/798645_94.png 798645\n",
+      "712515\n",
+      "../rotated_barcodes/bars/802074_35.png 802074\n",
+      "363459\n",
+      "../rotated_barcodes/bars/803285_70.png 803285\n",
+      "702499\n",
+      "../rotated_barcodes/bars/812578_33.png 812578\n",
+      "280163\n",
+      "../rotated_barcodes/bars/812916_13.png 812916\n",
+      "192099\n",
+      "../rotated_barcodes/bars/817129_38.png 817129\n",
+      "622307\n",
+      "../rotated_barcodes/bars/821985_97.png 821985\n",
+      "554259\n",
+      "../rotated_barcodes/bars/826240_107.png 826240\n",
+      "7571\n",
+      "../rotated_barcodes/bars/831722_26.png 831722\n",
+      "356563\n",
+      "../rotated_barcodes/bars/83180_126.png 83180\n",
+      "225832\n",
+      "../rotated_barcodes/bars/836147_34.png 836147\n",
+      "836659\n",
+      "../rotated_barcodes/bars/836894_59.png 836894\n",
+      "494131\n",
+      "../rotated_barcodes/bars/836974_56.png 836974\n",
+      "485939\n",
+      "../rotated_barcodes/bars/837963_108.png 837963\n",
+      "862515\n",
+      "../rotated_barcodes/bars/845228_108.png 845228\n",
+      "219763\n",
+      "../rotated_barcodes/bars/847870_81.png 847870\n",
+      "524147\n",
+      "../rotated_barcodes/bars/850150_78.png 850150\n",
+      "422387\n",
+      "../rotated_barcodes/bars/851759_127.png 851759\n",
+      "1003507\n",
+      "../rotated_barcodes/bars/853457_109.png 853457\n",
+      "571915\n",
+      "../rotated_barcodes/bars/854261_101.png 854261\n",
+      "717067\n",
+      "../rotated_barcodes/bars/85470_76.png 85470\n",
+      "506664\n",
+      "../rotated_barcodes/bars/854789_61.png 854789\n",
+      "658699\n",
+      "../rotated_barcodes/bars/856653_109.png 856653\n",
+      "730251\n",
+      "../rotated_barcodes/bars/859706_104.png 859706\n",
+      "378763\n",
+      "../rotated_barcodes/bars/859961_100.png 859961\n",
+      "642955\n",
+      "../rotated_barcodes/bars/859980_41.png 859980\n",
+      "208779\n",
+      "../rotated_barcodes/bars/865829_112.png 865829\n",
+      "673483\n",
+      "../rotated_barcodes/bars/86696_110.png 86696\n",
+      "87208\n",
+      "../rotated_barcodes/bars/871471_111.png 871471\n",
+      "1000235\n",
+      "../rotated_barcodes/bars/873543_82.png 873543\n",
+      "926379\n",
+      "../rotated_barcodes/bars/875188_40.png 875188\n",
+      "185771\n",
+      "../rotated_barcodes/bars/875443_46.png 875443\n",
+      "843179\n",
+      "../rotated_barcodes/bars/877371_65.png 877371\n",
+      "904299\n",
+      "../rotated_barcodes/bars/887007_111.png 887007\n",
+      "1028379\n",
+      "../rotated_barcodes/bars/888605_118.png 888605\n",
+      "757531\n",
+      "../rotated_barcodes/bars/89206_14.png 89206\n",
+      "451496\n",
+      "../rotated_barcodes/bars/894582_0.png 894582\n",
+      "452187\n",
+      "../rotated_barcodes/bars/894859_13.png 894859\n",
+      "859739\n",
+      "../rotated_barcodes/bars/896978_71.png 896978\n",
+      "311131\n",
+      "../rotated_barcodes/bars/903921_46.png 903921\n",
+      "587067\n",
+      "../rotated_barcodes/bars/903934_55.png 903934\n",
+      "521531\n",
+      "../rotated_barcodes/bars/906367_89.png 906367\n",
+      "1041083\n",
+      "../rotated_barcodes/bars/908303_112.png 908303\n",
+      "983995\n",
+      "../rotated_barcodes/bars/909886_44.png 909886\n",
+      "509051\n",
+      "../rotated_barcodes/bars/914004_113.png 914004\n",
+      "173307\n",
+      "../rotated_barcodes/bars/915487_72.png 915487\n",
+      "1016315\n",
+      "../rotated_barcodes/bars/915835_59.png 915835\n",
+      "911867\n",
+      "../rotated_barcodes/bars/916477_114.png 916477\n",
+      "785915\n",
+      "../rotated_barcodes/bars/917567_107.png 917567\n",
+      "1032199\n",
+      "../rotated_barcodes/bars/917867_61.png 917867\n",
+      "878599\n",
+      "../rotated_barcodes/bars/920234_52.png 920234\n",
+      "349447\n",
+      "../rotated_barcodes/bars/920618_39.png 920618\n",
+      "344839\n",
+      "../rotated_barcodes/bars/921443_2.png 921443\n",
+      "814855\n",
+      "../rotated_barcodes/bars/922284_81.png 922284\n",
+      "218247\n",
+      "../rotated_barcodes/bars/923680_115.png 923680\n",
+      "16775\n",
+      "../rotated_barcodes/bars/926999_116.png 926999\n",
+      "952903\n",
+      "../rotated_barcodes/bars/927121_117.png 927121\n",
+      "563783\n",
+      "../rotated_barcodes/bars/927672_118.png 927672\n",
+      "122439\n",
+      "../rotated_barcodes/bars/931401_119.png 931401\n",
+      "599751\n",
+      "../rotated_barcodes/bars/933718_120.png 933718\n",
+      "438215\n",
+      "../rotated_barcodes/bars/934311_121.png 934311\n",
+      "940071\n",
+      "../rotated_barcodes/bars/934533_0.png 934533\n",
+      "660519\n",
+      "../rotated_barcodes/bars/941292_122.png 941292\n",
+      "226215\n",
+      "../rotated_barcodes/bars/943193_124.png 943193\n",
+      "631399\n",
+      "../rotated_barcodes/bars/943662_123.png 943662\n",
+      "476775\n",
+      "../rotated_barcodes/bars/947515_32.png 947515\n",
+      "903911\n",
+      "../rotated_barcodes/bars/949613_32.png 949613\n",
+      "748519\n",
+      "../rotated_barcodes/bars/952345_37.png 952345\n",
+      "622871\n",
+      "../rotated_barcodes/bars/955310_124.png 955310\n",
+      "482455\n",
+      "../rotated_barcodes/bars/957227_28.png 957227\n",
+      "871831\n",
+      "../rotated_barcodes/bars/96736_63.png 96736\n",
+      "31208\n",
+      "../rotated_barcodes/bars/971208_120.png 971208\n",
+      "80055\n",
+      "../rotated_barcodes/bars/974681_125.png 974681\n",
+      "634807\n",
+      "../rotated_barcodes/bars/974748_75.png 974748\n",
+      "237495\n",
+      "../rotated_barcodes/bars/975127_42.png 975127\n",
+      "952439\n",
+      "../rotated_barcodes/bars/975487_81.png 975487\n",
+      "1041527\n",
+      "../rotated_barcodes/bars/97565_15.png 97565\n",
+      "756712\n",
+      "../rotated_barcodes/bars/983228_126.png 983228\n",
+      "249871\n",
+      "../rotated_barcodes/bars/983634_120.png 983634\n",
+      "304143\n",
+      "../rotated_barcodes/bars/984099_105.png 984099\n",
+      "803343\n",
+      "../rotated_barcodes/bars/987102_26.png 987102\n",
+      "507663\n",
+      "../rotated_barcodes/bars/98869_127.png 98869\n",
+      "705560\n",
+      "../rotated_barcodes/bars/995537_81.png 995537\n",
+      "569551\n"
+     ]
+    }
+   ],
+   "source": [
+    "# generate vertically flipped images\n",
+    "for path, dec in zip(df[\"path\"], df[\"dec\"]):\n",
+    "    print(path, dec)\n",
+    "    im = Image.open(path)\n",
+    "    im = ImageOps.flip(im)\n",
+    "    new_code = v_mirror_code(dec)\n",
+    "    print(new_code)\n",
+    "    im.save(\"{}/{}_v_{}.png\".format(OUTPUT_FOLDER, new_code, dec))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "../rotated_barcodes/bars/1002792_0.png 1002792\n",
+      "165663\n",
+      "../rotated_barcodes/bars/1002872_1.png 1002872\n",
+      "186143\n",
+      "../rotated_barcodes/bars/1004045_68.png 1004045\n",
+      "460895\n",
+      "../rotated_barcodes/bars/1004047_120.png 1004047\n",
+      "985183\n",
+      "../rotated_barcodes/bars/1007115_22.png 1007115\n",
+      "920415\n",
+      "../rotated_barcodes/bars/1008617_100.png 1008617\n",
+      "441503\n",
+      "../rotated_barcodes/bars/1008855_28.png 1008855\n",
+      "881055\n",
+      "../rotated_barcodes/bars/1008962_2.png 1008962\n",
+      "529823\n",
+      "../rotated_barcodes/bars/1009783_89.png 1009783\n",
+      "905887\n",
+      "../rotated_barcodes/bars/1011307_73.png 1011307\n",
+      "957343\n",
+      "../rotated_barcodes/bars/101150_71.png 101150\n",
+      "740900\n",
+      "../rotated_barcodes/bars/1011796_24.png 1011796\n",
+      "86239\n",
+      "../rotated_barcodes/bars/1012500_92.png 1012500\n",
+      "85215\n",
+      "../rotated_barcodes/bars/1014147_44.png 1014147\n",
+      "796383\n",
+      "../rotated_barcodes/bars/1016272_3.png 1016272\n",
+      "29743\n",
+      "../rotated_barcodes/bars/1019981_4.png 1019981\n",
+      "462959\n",
+      "../rotated_barcodes/bars/1020151_85.png 1020151\n",
+      "913519\n",
+      "../rotated_barcodes/bars/1020477_66.png 1020477\n",
+      "510063\n",
+      "../rotated_barcodes/bars/1021722_32.png 1021722\n",
+      "675183\n",
+      "../rotated_barcodes/bars/1024768_39.png 1024768\n",
+      "3247\n",
+      "../rotated_barcodes/bars/1026078_5.png 1026078\n",
+      "737967\n",
+      "../rotated_barcodes/bars/1028139_52.png 1028139\n",
+      "950511\n",
+      "../rotated_barcodes/bars/1028152_6.png 1028152\n",
+      "180463\n",
+      "../rotated_barcodes/bars/1029930_105.png 1029930\n",
+      "691695\n",
+      "../rotated_barcodes/bars/1035909_15.png 1035909\n",
+      "338751\n",
+      "../rotated_barcodes/bars/1035941_7.png 1035941\n",
+      "371519\n",
+      "../rotated_barcodes/bars/1035978_109.png 1035978\n",
+      "670527\n",
+      "../rotated_barcodes/bars/1040774_62.png 1040774\n",
+      "599231\n",
+      "../rotated_barcodes/bars/1041429_83.png 1041429\n",
+      "344511\n",
+      "../rotated_barcodes/bars/109721_59.png 109721\n",
+      "418724\n",
+      "../rotated_barcodes/bars/113886_62.png 113886\n",
+      "750564\n",
+      "../rotated_barcodes/bars/115580_3.png 115580\n",
+      "252980\n",
+      "../rotated_barcodes/bars/120042_83.png 120042\n",
+      "700788\n",
+      "../rotated_barcodes/bars/122735_124.png 122735\n",
+      "1023860\n",
+      "../rotated_barcodes/bars/124788_14.png 124788\n",
+      "122292\n",
+      "../rotated_barcodes/bars/12587_127.png 12587\n",
+      "951488\n",
+      "../rotated_barcodes/bars/126342_51.png 126342\n",
+      "599988\n",
+      "../rotated_barcodes/bars/126627_2.png 126627\n",
+      "830388\n",
+      "../rotated_barcodes/bars/126888_8.png 126888\n",
+      "176052\n",
+      "../rotated_barcodes/bars/130414_9.png 130414\n",
+      "759796\n",
+      "../rotated_barcodes/bars/131257_10.png 131257\n",
+      "450568\n",
+      "../rotated_barcodes/bars/13253_59.png 13253\n",
+      "343232\n",
+      "../rotated_barcodes/bars/135472_11.png 135472\n",
+      "50248\n",
+      "../rotated_barcodes/bars/139281_12.png 139281\n",
+      "278664\n",
+      "../rotated_barcodes/bars/140809_56.png 140809\n",
+      "395656\n",
+      "../rotated_barcodes/bars/142139_13.png 142139\n",
+      "970376\n",
+      "../rotated_barcodes/bars/143779_14.png 143779\n",
+      "828616\n",
+      "../rotated_barcodes/bars/144008_67.png 144008\n",
+      "141512\n",
+      "../rotated_barcodes/bars/144547_20.png 144547\n",
+      "827848\n",
+      "../rotated_barcodes/bars/145681_25.png 145681\n",
+      "280264\n",
+      "../rotated_barcodes/bars/146199_104.png 146199\n",
+      "872136\n",
+      "../rotated_barcodes/bars/147052_15.png 147052\n",
+      "236488\n",
+      "../rotated_barcodes/bars/147941_16.png 147941\n",
+      "373784\n",
+      "../rotated_barcodes/bars/148374_71.png 148374\n",
+      "617496\n",
+      "../rotated_barcodes/bars/148419_17.png 148419\n",
+      "801816\n",
+      "../rotated_barcodes/bars/149391_11.png 149391\n",
+      "994584\n",
+      "../rotated_barcodes/bars/151253_18.png 151253\n",
+      "359192\n",
+      "../rotated_barcodes/bars/15302_19.png 15302\n",
+      "605888\n",
+      "../rotated_barcodes/bars/153584_15.png 153584\n",
+      "64856\n",
+      "../rotated_barcodes/bars/154141_52.png 154141\n",
+      "477784\n",
+      "../rotated_barcodes/bars/155050_108.png 155050\n",
+      "698200\n",
+      "../rotated_barcodes/bars/155196_121.png 155196\n",
+      "248664\n",
+      "../rotated_barcodes/bars/157572_73.png 157572\n",
+      "77208\n",
+      "../rotated_barcodes/bars/159225_69.png 159225\n",
+      "456600\n",
+      "../rotated_barcodes/bars/16107_101.png 16107\n",
+      "965568\n",
+      "../rotated_barcodes/bars/161487_20.png 161487\n",
+      "997848\n",
+      "../rotated_barcodes/bars/162332_82.png 162332\n",
+      "215768\n",
+      "../rotated_barcodes/bars/163924_22.png 163924\n",
+      "86056\n",
+      "../rotated_barcodes/bars/172939_52.png 172939\n",
+      "928936\n",
+      "../rotated_barcodes/bars/173698_80.png 173698\n",
+      "534952\n",
+      "../rotated_barcodes/bars/18010_21.png 18010\n",
+      "678160\n",
+      "../rotated_barcodes/bars/181531_22.png 181531\n",
+      "935224\n",
+      "../rotated_barcodes/bars/185046_99.png 185046\n",
+      "620664\n",
+      "../rotated_barcodes/bars/186315_23.png 186315\n",
+      "933240\n",
+      "../rotated_barcodes/bars/187453_70.png 187453\n",
+      "508792\n",
+      "../rotated_barcodes/bars/190403_65.png 190403\n",
+      "802232\n",
+      "../rotated_barcodes/bars/199045_24.png 199045\n",
+      "337420\n",
+      "../rotated_barcodes/bars/199198_101.png 199198\n",
+      "739852\n",
+      "../rotated_barcodes/bars/20031_25.png 20031\n",
+      "1035024\n",
+      "../rotated_barcodes/bars/210504_57.png 210504\n",
+      "137676\n",
+      "../rotated_barcodes/bars/210846_113.png 210846\n",
+      "749004\n",
+      "../rotated_barcodes/bars/215763_121.png 215763\n",
+      "817692\n",
+      "../rotated_barcodes/bars/218132_26.png 218132\n",
+      "82268\n",
+      "../rotated_barcodes/bars/221768_52.png 221768\n",
+      "137372\n",
+      "../rotated_barcodes/bars/223765_26.png 223765\n",
+      "346780\n",
+      "../rotated_barcodes/bars/224264_89.png 224264\n",
+      "131996\n",
+      "../rotated_barcodes/bars/229904_24.png 229904\n",
+      "18476\n",
+      "../rotated_barcodes/bars/231833_35.png 231833\n",
+      "419372\n",
+      "../rotated_barcodes/bars/232737_109.png 232737\n",
+      "296748\n",
+      "../rotated_barcodes/bars/233336_61.png 233336\n",
+      "188204\n",
+      "../rotated_barcodes/bars/240408_37.png 240408\n",
+      "151212\n",
+      "../rotated_barcodes/bars/242463_53.png 242463\n",
+      "1002732\n",
+      "../rotated_barcodes/bars/24309_22.png 24309\n",
+      "392016\n",
+      "../rotated_barcodes/bars/244938_44.png 244938\n",
+      "668652\n",
+      "../rotated_barcodes/bars/245756_37.png 245756\n",
+      "262124\n",
+      "../rotated_barcodes/bars/246281_123.png 246281\n",
+      "395324\n",
+      "../rotated_barcodes/bars/247226_107.png 247226\n",
+      "714044\n",
+      "../rotated_barcodes/bars/248_27.png 248\n",
+      "192512\n",
+      "../rotated_barcodes/bars/2506_28.png 2506\n",
+      "669184\n",
+      "../rotated_barcodes/bars/251415_29.png 251415\n",
+      "870780\n",
+      "../rotated_barcodes/bars/251453_83.png 251453\n",
+      "510332\n",
+      "../rotated_barcodes/bars/258898_30.png 258898\n",
+      "548092\n",
+      "../rotated_barcodes/bars/259397_31.png 259397\n",
+      "333308\n",
+      "../rotated_barcodes/bars/262596_73.png 262596\n",
+      "78849\n",
+      "../rotated_barcodes/bars/264960_32.png 264960\n",
+      "3585\n",
+      "../rotated_barcodes/bars/265896_69.png 265896\n",
+      "174849\n",
+      "../rotated_barcodes/bars/266329_46.png 266329\n",
+      "413761\n",
+      "../rotated_barcodes/bars/270635_112.png 270635\n",
+      "951425\n",
+      "../rotated_barcodes/bars/273053_5.png 273053\n",
+      "486017\n",
+      "../rotated_barcodes/bars/273058_33.png 273058\n",
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+      "../rotated_barcodes/bars/746461_105.png 746461\n",
+      "490654\n",
+      "../rotated_barcodes/bars/751772_95.png 751772\n",
+      "221918\n",
+      "../rotated_barcodes/bars/752545_85.png 752545\n",
+      "306910\n",
+      "../rotated_barcodes/bars/75293_60.png 75293\n",
+      "477572\n",
+      "../rotated_barcodes/bars/762095_96.png 762095\n",
+      "1028270\n",
+      "../rotated_barcodes/bars/762765_97.png 762765\n",
+      "470190\n",
+      "../rotated_barcodes/bars/763550_3.png 763550\n",
+      "747950\n",
+      "../rotated_barcodes/bars/763624_6.png 763624\n",
+      "178606\n",
+      "../rotated_barcodes/bars/766229_98.png 766229\n",
+      "345326\n",
+      "../rotated_barcodes/bars/767170_88.png 767170\n",
+      "537070\n",
+      "../rotated_barcodes/bars/767650_99.png 767650\n",
+      "567790\n",
+      "../rotated_barcodes/bars/768076_40.png 768076\n",
+      "201454\n",
+      "../rotated_barcodes/bars/768681_100.png 768681\n",
+      "436974\n",
+      "../rotated_barcodes/bars/769258_55.png 769258\n",
+      "701422\n",
+      "../rotated_barcodes/bars/771384_101.png 771384\n",
+      "181566\n",
+      "../rotated_barcodes/bars/773819_95.png 773819\n",
+      "977726\n",
+      "../rotated_barcodes/bars/774581_3.png 774581\n",
+      "386174\n",
+      "../rotated_barcodes/bars/77563_53.png 77563\n",
+      "981892\n",
+      "../rotated_barcodes/bars/77567_60.png 77567\n",
+      "1047428\n",
+      "../rotated_barcodes/bars/776566_60.png 776566\n",
+      "644734\n",
+      "../rotated_barcodes/bars/777708_102.png 777708\n",
+      "243582\n",
+      "../rotated_barcodes/bars/780129_62.png 780129\n",
+      "302526\n",
+      "../rotated_barcodes/bars/781437_112.png 781437\n",
+      "512958\n",
+      "../rotated_barcodes/bars/784739_35.png 784739\n",
+      "825086\n",
+      "../rotated_barcodes/bars/785066_26.png 785066\n",
+      "699134\n",
+      "../rotated_barcodes/bars/788159_122.png 788159\n",
+      "1042691\n",
+      "../rotated_barcodes/bars/790872_103.png 790872\n",
+      "152643\n",
+      "../rotated_barcodes/bars/791427_104.png 791427\n",
+      "797763\n",
+      "../rotated_barcodes/bars/794159_10.png 794159\n",
+      "1018691\n",
+      "../rotated_barcodes/bars/795073_52.png 795073\n",
+      "275587\n",
+      "../rotated_barcodes/bars/796043_105.png 796043\n",
+      "927107\n",
+      "../rotated_barcodes/bars/796155_106.png 796155\n",
+      "980355\n",
+      "../rotated_barcodes/bars/796968_93.png 796968\n",
+      "165507\n",
+      "../rotated_barcodes/bars/798645_94.png 798645\n",
+      "388995\n",
+      "../rotated_barcodes/bars/802074_35.png 802074\n",
+      "673731\n",
+      "../rotated_barcodes/bars/803285_70.png 803285\n",
+      "357395\n",
+      "../rotated_barcodes/bars/812578_33.png 812578\n",
+      "559507\n",
+      "../rotated_barcodes/bars/812916_13.png 812916\n",
+      "122259\n",
+      "../rotated_barcodes/bars/817129_38.png 817129\n",
+      "441811\n",
+      "../rotated_barcodes/bars/821985_97.png 821985\n",
+      "309795\n",
+      "../rotated_barcodes/bars/826240_107.png 826240\n",
+      "11875\n",
+      "../rotated_barcodes/bars/831722_26.png 831722\n",
+      "700643\n",
+      "../rotated_barcodes/bars/83180_126.png 83180\n",
+      "241940\n",
+      "../rotated_barcodes/bars/836147_34.png 836147\n",
+      "837683\n",
+      "../rotated_barcodes/bars/836894_59.png 836894\n",
+      "738611\n",
+      "../rotated_barcodes/bars/836974_56.png 836974\n",
+      "759091\n",
+      "../rotated_barcodes/bars/837963_108.png 837963\n",
+      "923187\n",
+      "../rotated_barcodes/bars/845228_108.png 845228\n",
+      "239027\n",
+      "../rotated_barcodes/bars/847870_81.png 847870\n",
+      "786355\n",
+      "../rotated_barcodes/bars/850150_78.png 850150\n",
+      "635635\n",
+      "../rotated_barcodes/bars/851759_127.png 851759\n",
+      "1019891\n",
+      "../rotated_barcodes/bars/853457_109.png 853457\n",
+      "292103\n",
+      "../rotated_barcodes/bars/854261_101.png 854261\n",
+      "389639\n",
+      "../rotated_barcodes/bars/85470_76.png 85470\n",
+      "751380\n",
+      "../rotated_barcodes/bars/854789_61.png 854789\n",
+      "331271\n",
+      "../rotated_barcodes/bars/856653_109.png 856653\n",
+      "464967\n",
+      "../rotated_barcodes/bars/859706_104.png 859706\n",
+      "707399\n",
+      "../rotated_barcodes/bars/859961_100.png 859961\n",
+      "446279\n",
+      "../rotated_barcodes/bars/859980_41.png 859980\n",
+      "204615\n",
+      "../rotated_barcodes/bars/865829_112.png 865829\n",
+      "362951\n",
+      "../rotated_barcodes/bars/86696_110.png 86696\n",
+      "174164\n",
+      "../rotated_barcodes/bars/871471_111.png 871471\n",
+      "1016599\n",
+      "../rotated_barcodes/bars/873543_82.png 873543\n",
+      "856407\n",
+      "../rotated_barcodes/bars/875188_40.png 875188\n",
+      "125527\n",
+      "../rotated_barcodes/bars/875443_46.png 875443\n",
+      "847447\n",
+      "../rotated_barcodes/bars/877371_65.png 877371\n",
+      "969879\n",
+      "../rotated_barcodes/bars/887007_111.png 887007\n",
+      "1012263\n",
+      "../rotated_barcodes/bars/888605_118.png 888605\n",
+      "479015\n",
+      "../rotated_barcodes/bars/89206_14.png 89206\n",
+      "643924\n",
+      "../rotated_barcodes/bars/894582_0.png 894582\n",
+      "645543\n",
+      "../rotated_barcodes/bars/894859_13.png 894859\n",
+      "929191\n",
+      "../rotated_barcodes/bars/896978_71.png 896978\n",
+      "556967\n",
+      "../rotated_barcodes/bars/903921_46.png 903921\n",
+      "326199\n",
+      "../rotated_barcodes/bars/903934_55.png 903934\n",
+      "784951\n",
+      "../rotated_barcodes/bars/906367_89.png 906367\n",
+      "1036663\n",
+      "../rotated_barcodes/bars/908303_112.png 908303\n",
+      "983927\n",
+      "../rotated_barcodes/bars/909886_44.png 909886\n",
+      "772279\n",
+      "../rotated_barcodes/bars/914004_113.png 914004\n",
+      "88311\n",
+      "../rotated_barcodes/bars/915487_72.png 915487\n",
+      "1000183\n",
+      "../rotated_barcodes/bars/915835_59.png 915835\n",
+      "972535\n",
+      "../rotated_barcodes/bars/916477_114.png 916477\n",
+      "524023\n",
+      "../rotated_barcodes/bars/917567_107.png 917567\n",
+      "1032203\n",
+      "../rotated_barcodes/bars/917867_61.png 917867\n",
+      "955403\n",
+      "../rotated_barcodes/bars/920234_52.png 920234\n",
+      "698891\n",
+      "../rotated_barcodes/bars/920618_39.png 920618\n",
+      "688907\n",
+      "../rotated_barcodes/bars/921443_2.png 921443\n",
+      "827147\n",
+      "../rotated_barcodes/bars/922284_81.png 922284\n",
+      "239691\n",
+      "../rotated_barcodes/bars/923680_115.png 923680\n",
+      "33355\n",
+      "../rotated_barcodes/bars/926999_116.png 926999\n",
+      "869771\n",
+      "../rotated_barcodes/bars/927121_117.png 927121\n",
+      "288139\n",
+      "../rotated_barcodes/bars/927672_118.png 927672\n",
+      "191883\n",
+      "../rotated_barcodes/bars/931401_119.png 931401\n",
+      "399819\n",
+      "../rotated_barcodes/bars/933718_120.png 933718\n",
+      "614347\n",
+      "../rotated_barcodes/bars/934311_121.png 934311\n",
+      "893979\n",
+      "../rotated_barcodes/bars/934533_0.png 934533\n",
+      "337947\n",
+      "../rotated_barcodes/bars/941292_122.png 941292\n",
+      "242523\n",
+      "../rotated_barcodes/bars/943193_124.png 943193\n",
+      "414107\n",
+      "../rotated_barcodes/bars/943662_123.png 943662\n",
+      "756123\n",
+      "../rotated_barcodes/bars/947515_32.png 947515\n",
+      "968155\n",
+      "../rotated_barcodes/bars/949613_32.png 949613\n",
+      "497627\n",
+      "../rotated_barcodes/bars/952345_37.png 952345\n",
+      "410155\n",
+      "../rotated_barcodes/bars/955310_124.png 955310\n",
+      "765035\n",
+      "../rotated_barcodes/bars/957227_28.png 957227\n",
+      "953963\n",
+      "../rotated_barcodes/bars/96736_63.png 96736\n",
+      "46804\n",
+      "../rotated_barcodes/bars/971208_120.png 971208\n",
+      "144507\n",
+      "../rotated_barcodes/bars/974681_125.png 974681\n",
+      "417659\n",
+      "../rotated_barcodes/bars/974748_75.png 974748\n",
+      "225147\n",
+      "../rotated_barcodes/bars/975127_42.png 975127\n",
+      "869563\n",
+      "../rotated_barcodes/bars/975487_81.png 975487\n",
+      "1038523\n",
+      "../rotated_barcodes/bars/97565_15.png 97565\n",
+      "477140\n",
+      "../rotated_barcodes/bars/983228_126.png 983228\n",
+      "253967\n",
+      "../rotated_barcodes/bars/983634_120.png 983634\n",
+      "546831\n",
+      "../rotated_barcodes/bars/984099_105.png 984099\n",
+      "819471\n",
+      "../rotated_barcodes/bars/987102_26.png 987102\n",
+      "753423\n",
+      "../rotated_barcodes/bars/98869_127.png 98869\n",
+      "378916\n",
+      "../rotated_barcodes/bars/995537_81.png 995537\n",
+      "291023\n"
+     ]
+    }
+   ],
+   "source": [
+    "# generate horizontally and vertically flipped images\n",
+    "for path, dec in zip(df[\"path\"], df[\"dec\"]):\n",
+    "    print(path, dec)\n",
+    "    im = Image.open(path)\n",
+    "    im = ImageOps.mirror(im)\n",
+    "    im = ImageOps.flip(im)\n",
+    "    new_code = hv_mirror_code(dec)\n",
+    "    print(new_code)\n",
+    "    im.save(\"{}/{}_hv_{}.png\".format(OUTPUT_FOLDER, new_code, dec))"
+   ]
+  }
+ ],
+ "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": "3.8.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}