diff --git a/src/HowBadIsMyBatch.nbconvert.ipynb b/src/HowBadIsMyBatch.nbconvert.ipynb
index a86b6bee01f..b87417206ef 100644
--- a/src/HowBadIsMyBatch.nbconvert.ipynb
+++ b/src/HowBadIsMyBatch.nbconvert.ipynb
@@ -6,10 +6,10 @@
    "id": "9de5907f-18f5-4cb1-903e-26028ff1fa03",
    "metadata": {
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-     "iopub.status.idle": "2023-01-17T14:20:31.879587Z",
-     "shell.execute_reply": "2023-01-17T14:20:31.878668Z"
+     "iopub.execute_input": "2023-01-17T15:19:41.204684Z",
+     "iopub.status.busy": "2023-01-17T15:19:41.204409Z",
+     "iopub.status.idle": "2023-01-17T15:19:43.471278Z",
+     "shell.execute_reply": "2023-01-17T15:19:43.470501Z"
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    "outputs": [
@@ -17,11 +17,11 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "2023-01-17 14:20:30.465791: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 AVX512F FMA\n",
+      "2023-01-17 15:19:41.623701: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 FMA\n",
       "To enable them in other operations, rebuild TensorFlow with the appropriate compiler flags.\n",
-      "2023-01-17 14:20:31.765586: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 AVX512F FMA\n",
+      "2023-01-17 15:19:43.325980: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 FMA\n",
       "To enable them in other operations, rebuild TensorFlow with the appropriate compiler flags.\n",
-      "2023-01-17 14:20:31.766676: I tensorflow/core/common_runtime/process_util.cc:146] Creating new thread pool with default inter op setting: 2. Tune using inter_op_parallelism_threads for best performance.\n"
+      "2023-01-17 15:19:43.327155: I tensorflow/core/common_runtime/process_util.cc:146] Creating new thread pool with default inter op setting: 2. Tune using inter_op_parallelism_threads for best performance.\n"
      ]
     }
    ],
@@ -46,10 +46,10 @@
    "id": "d1e4fa9e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-17T14:20:31.882583Z",
-     "iopub.status.busy": "2023-01-17T14:20:31.882276Z",
-     "iopub.status.idle": "2023-01-17T14:20:31.885373Z",
-     "shell.execute_reply": "2023-01-17T14:20:31.884927Z"
+     "iopub.execute_input": "2023-01-17T15:19:43.474921Z",
+     "iopub.status.busy": "2023-01-17T15:19:43.474248Z",
+     "iopub.status.idle": "2023-01-17T15:19:43.486011Z",
+     "shell.execute_reply": "2023-01-17T15:19:43.480125Z"
     }
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    "outputs": [
@@ -57,7 +57,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "17.01.2023, 14:20:31 Uhr\n"
+      "17.01.2023, 15:19:43 Uhr\n"
      ]
     }
    ],
@@ -71,10 +71,10 @@
    "id": "ffad1c04",
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     "execution": {
-     "iopub.execute_input": "2023-01-17T14:20:31.888444Z",
-     "iopub.status.busy": "2023-01-17T14:20:31.888146Z",
-     "iopub.status.idle": "2023-01-17T14:20:32.488371Z",
-     "shell.execute_reply": "2023-01-17T14:20:32.487798Z"
+     "iopub.execute_input": "2023-01-17T15:19:43.489098Z",
+     "iopub.status.busy": "2023-01-17T15:19:43.488841Z",
+     "iopub.status.idle": "2023-01-17T15:19:44.242929Z",
+     "shell.execute_reply": "2023-01-17T15:19:44.242157Z"
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    "outputs": [
@@ -102,10 +102,10 @@
    "id": "194b7357",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-17T14:20:32.491089Z",
-     "iopub.status.busy": "2023-01-17T14:20:32.490642Z",
-     "iopub.status.idle": "2023-01-17T14:20:32.494394Z",
-     "shell.execute_reply": "2023-01-17T14:20:32.493838Z"
+     "iopub.execute_input": "2023-01-17T15:19:44.247881Z",
+     "iopub.status.busy": "2023-01-17T15:19:44.246547Z",
+     "iopub.status.idle": "2023-01-17T15:19:44.252296Z",
+     "shell.execute_reply": "2023-01-17T15:19:44.251514Z"
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    "outputs": [],
@@ -119,10 +119,10 @@
    "id": "a793dff0",
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     "execution": {
-     "iopub.execute_input": "2023-01-17T14:20:32.497132Z",
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-     "iopub.status.idle": "2023-01-17T14:24:31.592274Z",
-     "shell.execute_reply": "2023-01-17T14:24:31.591645Z"
+     "iopub.execute_input": "2023-01-17T15:19:44.257589Z",
+     "iopub.status.busy": "2023-01-17T15:19:44.256196Z",
+     "iopub.status.idle": "2023-01-17T15:25:28.405709Z",
+     "shell.execute_reply": "2023-01-17T15:25:28.404563Z"
     }
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    "outputs": [
@@ -130,7 +130,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 35.0MB/s]\n"
+      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 148MB/s]\n"
      ]
     },
     {
@@ -171,7 +171,7 @@
       "Trainable params: 445,400\n",
       "Non-trainable params: 0\n",
       "_________________________________________________________________\n",
-      "1/1 [==============================] - 1s 1s/step\n"
+      "1/1 [==============================] - 2s 2s/step\n"
      ]
     },
     {
@@ -186,82 +186,7 @@
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-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "1/1 [==============================] - 0s 31ms/step\n"
-     ]
-    },
-    {
-     "data": {
-      "text/plain": [
-       "'textInCaptchaImage: '"
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-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": [
-       "'3E6022'"
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-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "1/1 [==============================] - 0s 38ms/step\n"
-     ]
-    },
-    {
-     "data": {
-      "text/plain": [
-       "'textInCaptchaImage: '"
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-       "'Aa1e3a'"
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-     "output_type": "display_data"
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-     "output_type": "stream",
-     "text": [
-      "1/1 [==============================] - 0s 29ms/step\n"
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-     "data": {
-      "text/plain": [
-       "'textInCaptchaImage: '"
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-     "output_type": "display_data"
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-       "'80aCA9'"
+       "'9b615e'"
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@@ -286,7 +211,82 @@
     {
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       "text/plain": [
-       "'296187'"
+       "'686E45'"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1/1 [==============================] - 0s 40ms/step\n"
+     ]
+    },
+    {
+     "data": {
+      "text/plain": [
+       "'textInCaptchaImage: '"
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+      "text/plain": [
+       "'c84475'"
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+     "output_type": "display_data"
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1/1 [==============================] - 0s 44ms/step\n"
+     ]
+    },
+    {
+     "data": {
+      "text/plain": [
+       "'textInCaptchaImage: '"
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+     "output_type": "display_data"
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+      "text/plain": [
+       "'9C96Ef'"
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+    {
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+     "text": [
+      "1/1 [==============================] - 0s 41ms/step\n"
+     ]
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+       "'textInCaptchaImage: '"
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+       "'25CA9E'"
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@@ -305,10 +305,10 @@
    "id": "781ac80e",
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-     "iopub.execute_input": "2023-01-17T14:24:31.595702Z",
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-     "iopub.status.idle": "2023-01-17T14:24:57.836679Z",
-     "shell.execute_reply": "2023-01-17T14:24:57.836137Z"
+     "iopub.execute_input": "2023-01-17T15:25:28.409911Z",
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+     "shell.execute_reply": "2023-01-17T15:25:57.747622Z"
     }
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    "outputs": [
@@ -608,10 +608,10 @@
    "id": "8d6507ca",
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-     "shell.execute_reply": "2023-01-17T14:24:58.325036Z"
+     "iopub.execute_input": "2023-01-17T15:25:57.751658Z",
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@@ -625,10 +625,10 @@
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-     "shell.execute_reply": "2023-01-17T14:25:12.578203Z"
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+     "shell.execute_reply": "2023-01-17T15:26:18.229873Z"
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