diff --git a/fsrs4anki_optimizer.ipynb b/fsrs4anki_optimizer.ipynb
index cf05439..07e87cb 100644
--- a/fsrs4anki_optimizer.ipynb
+++ b/fsrs4anki_optimizer.ipynb
@@ -5,9 +5,9 @@
       "cell_type": "markdown",
       "metadata": {},
       "source": [
-        "# FSRS4Anki v3.25.2 Optimizer\n",
+        "# FSRS4Anki v3.25.3 Optimizer\n",
         "\n",
-        "[![open in colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/open-spaced-repetition/fsrs4anki/blob/v3.25.2/fsrs4anki_optimizer.ipynb)\n",
+        "[![open in colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/open-spaced-repetition/fsrs4anki/blob/v3.25.3/fsrs4anki_optimizer.ipynb)\n",
         "\n",
         "↑ Click the above button to open the optimizer on Google Colab.\n",
         "\n",
@@ -103,7 +103,7 @@
         }
       ],
       "source": [
-        "%pip install -q fsrs4anki_optimizer==3.25.2\n",
+        "%pip install -q fsrs4anki_optimizer==3.25.3\n",
         "# for local development\n",
         "# import os\n",
         "# import sys\n",
@@ -159,7 +159,7 @@
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-              "model_id": "53c7d8cc155c410f9a0d84b387ef7dd9",
+              "model_id": "24b1f0f5916d479ab8f6069b65ca587e",
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               "version_minor": 0
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@@ -180,7 +180,7 @@
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+              "model_id": "d663b6d68eb64255aa5488356241cf8d",
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@@ -317,7 +317,7 @@
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-              "model_id": "9cd1e8985ca2415ea9816c5e21ecc6dc",
+              "model_id": "a5928e08e0264a2e95a5c67089e6e33d",
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@@ -342,7 +342,7 @@
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-              "model_id": "1b43e2fbd2ec4f1d8229dd4cd999493f",
+              "model_id": "7e9229111d4b410ebd5f881b671d12a3",
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               "version_minor": 0
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@@ -363,7 +363,7 @@
         {
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-              "model_id": "d98e3ec13028493584328c4b5001ca90",
+              "model_id": "fa08fa6a568c4ea38016ac0bcd4a75bb",
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               "version_minor": 0
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@@ -415,7 +415,7 @@
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+              "model_id": "8bbcffffb49341d8bb2a10476902db54",
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               "version_minor": 0
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@@ -436,7 +436,7 @@
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-              "model_id": "887ef137d1c348ffb749e21e66c2c5c6",
+              "model_id": "928bfd1eb36d4f669257c1230c54dc3c",
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               "version_minor": 0
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@@ -488,7 +488,7 @@
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+              "model_id": "4017fb729a78467bad483a5818702c1e",
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@@ -509,7 +509,7 @@
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+              "model_id": "0d5f6fd6f93d49e3a364f5ad26011247",
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@@ -827,7 +827,7 @@
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+              "model_id": "a7de23d2b16d46378d3f5bc8e8389082",
               "version_major": 2,
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@@ -1013,225 +1013,225 @@
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               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row13_col0 {\n",
+              "#T_0723d_row13_col0 {\n",
               "  background-color: #a9a9ff;\n",
               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row13_col2 {\n",
+              "#T_0723d_row13_col2 {\n",
               "  background-color: #c1c1ff;\n",
               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row13_col4 {\n",
+              "#T_0723d_row13_col4 {\n",
               "  background-color: #ffb5b5;\n",
               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row13_col7, #T_86065_row15_col4 {\n",
+              "#T_0723d_row13_col7, #T_0723d_row15_col4 {\n",
               "  background-color: #ff8181;\n",
               "  color: #f1f1f1;\n",
               "}\n",
-              "#T_86065_row13_col8, #T_86065_row15_col6 {\n",
+              "#T_0723d_row13_col8, #T_0723d_row15_col6 {\n",
               "  background-color: #ffc1c1;\n",
               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row14_col7 {\n",
+              "#T_0723d_row14_col7 {\n",
               "  background-color: #ffc9c9;\n",
               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row15_col0 {\n",
+              "#T_0723d_row15_col0 {\n",
               "  background-color: #8181ff;\n",
               "  color: #f1f1f1;\n",
               "}\n",
-              "#T_86065_row15_col3 {\n",
+              "#T_0723d_row15_col3 {\n",
               "  background-color: #b9b9ff;\n",
               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row16_col0 {\n",
+              "#T_0723d_row16_col0 {\n",
               "  background-color: #4545ff;\n",
               "  color: #f1f1f1;\n",
               "}\n",
-              "#T_86065_row16_col2 {\n",
+              "#T_0723d_row16_col2 {\n",
               "  background-color: #bdbdff;\n",
               "  color: #000000;\n",
               "}\n",
-              "#T_86065_row17_col0 {\n",
+              "#T_0723d_row17_col0 {\n",
               "  background-color: #1d1dff;\n",
               "  color: #f1f1f1;\n",
               "}\n",
-              "#T_86065_row17_col3 {\n",
+              "#T_0723d_row17_col3 {\n",
               "  background-color: #d1d1ff;\n",
               "  color: #000000;\n",
               "}\n",
               "</style>\n",
-              "<table id=\"T_86065\">\n",
+              "<table id=\"T_0723d\">\n",
               "  <thead>\n",
               "    <tr>\n",
               "      <th class=\"index_name level0\" >d_bin</th>\n",
-              "      <th id=\"T_86065_level0_col0\" class=\"col_heading level0 col0\" >1</th>\n",
-              "      <th id=\"T_86065_level0_col1\" class=\"col_heading level0 col1\" >2</th>\n",
-              "      <th id=\"T_86065_level0_col2\" class=\"col_heading level0 col2\" >3</th>\n",
-              "      <th id=\"T_86065_level0_col3\" class=\"col_heading level0 col3\" >4</th>\n",
-              "      <th id=\"T_86065_level0_col4\" class=\"col_heading level0 col4\" >5</th>\n",
-              "      <th id=\"T_86065_level0_col5\" class=\"col_heading level0 col5\" >6</th>\n",
-              "      <th id=\"T_86065_level0_col6\" class=\"col_heading level0 col6\" >7</th>\n",
-              "      <th id=\"T_86065_level0_col7\" class=\"col_heading level0 col7\" >8</th>\n",
-              "      <th id=\"T_86065_level0_col8\" class=\"col_heading level0 col8\" >9</th>\n",
-              "      <th id=\"T_86065_level0_col9\" class=\"col_heading level0 col9\" >10</th>\n",
+              "      <th id=\"T_0723d_level0_col0\" class=\"col_heading level0 col0\" >1</th>\n",
+              "      <th id=\"T_0723d_level0_col1\" class=\"col_heading level0 col1\" >2</th>\n",
+              "      <th id=\"T_0723d_level0_col2\" class=\"col_heading level0 col2\" >3</th>\n",
+              "      <th id=\"T_0723d_level0_col3\" class=\"col_heading level0 col3\" >4</th>\n",
+              "      <th id=\"T_0723d_level0_col4\" class=\"col_heading level0 col4\" >5</th>\n",
+              "      <th id=\"T_0723d_level0_col5\" class=\"col_heading level0 col5\" >6</th>\n",
+              "      <th id=\"T_0723d_level0_col6\" class=\"col_heading level0 col6\" >7</th>\n",
+              "      <th id=\"T_0723d_level0_col7\" class=\"col_heading level0 col7\" >8</th>\n",
+              "      <th id=\"T_0723d_level0_col8\" class=\"col_heading level0 col8\" >9</th>\n",
+              "      <th id=\"T_0723d_level0_col9\" class=\"col_heading level0 col9\" >10</th>\n",
               "    </tr>\n",
               "    <tr>\n",
               "      <th class=\"index_name level0\" >s_bin</th>\n",
@@ -1249,257 +1249,257 @@
               "  </thead>\n",
               "  <tbody>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row0\" class=\"row_heading level0 row0\" >0.510000</th>\n",
-              "      <td id=\"T_86065_row0_col0\" class=\"data row0 col0\" ></td>\n",
-              "      <td id=\"T_86065_row0_col1\" class=\"data row0 col1\" ></td>\n",
-              "      <td id=\"T_86065_row0_col2\" class=\"data row0 col2\" ></td>\n",
-              "      <td id=\"T_86065_row0_col3\" class=\"data row0 col3\" ></td>\n",
-              "      <td id=\"T_86065_row0_col4\" class=\"data row0 col4\" ></td>\n",
-              "      <td id=\"T_86065_row0_col5\" class=\"data row0 col5\" ></td>\n",
-              "      <td id=\"T_86065_row0_col6\" class=\"data row0 col6\" ></td>\n",
-              "      <td id=\"T_86065_row0_col7\" class=\"data row0 col7\" ></td>\n",
-              "      <td id=\"T_86065_row0_col8\" class=\"data row0 col8\" ></td>\n",
-              "      <td id=\"T_86065_row0_col9\" class=\"data row0 col9\" >2.01%</td>\n",
+              "      <th id=\"T_0723d_level0_row0\" class=\"row_heading level0 row0\" >0.510000</th>\n",
+              "      <td id=\"T_0723d_row0_col0\" class=\"data row0 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col1\" class=\"data row0 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col2\" class=\"data row0 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col3\" class=\"data row0 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col4\" class=\"data row0 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col5\" class=\"data row0 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col6\" class=\"data row0 col6\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col7\" class=\"data row0 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col8\" class=\"data row0 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row0_col9\" class=\"data row0 col9\" >2.01%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row1\" class=\"row_heading level0 row1\" >0.710000</th>\n",
-              "      <td id=\"T_86065_row1_col0\" class=\"data row1 col0\" ></td>\n",
-              "      <td id=\"T_86065_row1_col1\" class=\"data row1 col1\" ></td>\n",
-              "      <td id=\"T_86065_row1_col2\" class=\"data row1 col2\" ></td>\n",
-              "      <td id=\"T_86065_row1_col3\" class=\"data row1 col3\" ></td>\n",
-              "      <td id=\"T_86065_row1_col4\" class=\"data row1 col4\" ></td>\n",
-              "      <td id=\"T_86065_row1_col5\" class=\"data row1 col5\" ></td>\n",
-              "      <td id=\"T_86065_row1_col6\" class=\"data row1 col6\" ></td>\n",
-              "      <td id=\"T_86065_row1_col7\" class=\"data row1 col7\" ></td>\n",
-              "      <td id=\"T_86065_row1_col8\" class=\"data row1 col8\" ></td>\n",
-              "      <td id=\"T_86065_row1_col9\" class=\"data row1 col9\" >3.01%</td>\n",
+              "      <th id=\"T_0723d_level0_row1\" class=\"row_heading level0 row1\" >0.710000</th>\n",
+              "      <td id=\"T_0723d_row1_col0\" class=\"data row1 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col1\" class=\"data row1 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col2\" class=\"data row1 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col3\" class=\"data row1 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col4\" class=\"data row1 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col5\" class=\"data row1 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col6\" class=\"data row1 col6\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col7\" class=\"data row1 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col8\" class=\"data row1 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row1_col9\" class=\"data row1 col9\" >3.01%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row2\" class=\"row_heading level0 row2\" >1.000000</th>\n",
-              "      <td id=\"T_86065_row2_col0\" class=\"data row2 col0\" ></td>\n",
-              "      <td id=\"T_86065_row2_col1\" class=\"data row2 col1\" ></td>\n",
-              "      <td id=\"T_86065_row2_col2\" class=\"data row2 col2\" ></td>\n",
-              "      <td id=\"T_86065_row2_col3\" class=\"data row2 col3\" ></td>\n",
-              "      <td id=\"T_86065_row2_col4\" class=\"data row2 col4\" ></td>\n",
-              "      <td id=\"T_86065_row2_col5\" class=\"data row2 col5\" ></td>\n",
-              "      <td id=\"T_86065_row2_col6\" class=\"data row2 col6\" ></td>\n",
-              "      <td id=\"T_86065_row2_col7\" class=\"data row2 col7\" ></td>\n",
-              "      <td id=\"T_86065_row2_col8\" class=\"data row2 col8\" ></td>\n",
-              "      <td id=\"T_86065_row2_col9\" class=\"data row2 col9\" >-0.56%</td>\n",
+              "      <th id=\"T_0723d_level0_row2\" class=\"row_heading level0 row2\" >1.000000</th>\n",
+              "      <td id=\"T_0723d_row2_col0\" class=\"data row2 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col1\" class=\"data row2 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col2\" class=\"data row2 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col3\" class=\"data row2 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col4\" class=\"data row2 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col5\" class=\"data row2 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col6\" class=\"data row2 col6\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col7\" class=\"data row2 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col8\" class=\"data row2 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row2_col9\" class=\"data row2 col9\" >-0.56%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row3\" class=\"row_heading level0 row3\" >1.400000</th>\n",
-              "      <td id=\"T_86065_row3_col0\" class=\"data row3 col0\" ></td>\n",
-              "      <td id=\"T_86065_row3_col1\" class=\"data row3 col1\" ></td>\n",
-              "      <td id=\"T_86065_row3_col2\" class=\"data row3 col2\" ></td>\n",
-              "      <td id=\"T_86065_row3_col3\" class=\"data row3 col3\" ></td>\n",
-              "      <td id=\"T_86065_row3_col4\" class=\"data row3 col4\" ></td>\n",
-              "      <td id=\"T_86065_row3_col5\" class=\"data row3 col5\" ></td>\n",
-              "      <td id=\"T_86065_row3_col6\" class=\"data row3 col6\" >7.49%</td>\n",
-              "      <td id=\"T_86065_row3_col7\" class=\"data row3 col7\" ></td>\n",
-              "      <td id=\"T_86065_row3_col8\" class=\"data row3 col8\" ></td>\n",
-              "      <td id=\"T_86065_row3_col9\" class=\"data row3 col9\" >-1.94%</td>\n",
+              "      <th id=\"T_0723d_level0_row3\" class=\"row_heading level0 row3\" >1.400000</th>\n",
+              "      <td id=\"T_0723d_row3_col0\" class=\"data row3 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col1\" class=\"data row3 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col2\" class=\"data row3 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col3\" class=\"data row3 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col4\" class=\"data row3 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col5\" class=\"data row3 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col6\" class=\"data row3 col6\" >7.49%</td>\n",
+              "      <td id=\"T_0723d_row3_col7\" class=\"data row3 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col8\" class=\"data row3 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row3_col9\" class=\"data row3 col9\" >-1.94%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row4\" class=\"row_heading level0 row4\" >1.960000</th>\n",
-              "      <td id=\"T_86065_row4_col0\" class=\"data row4 col0\" ></td>\n",
-              "      <td id=\"T_86065_row4_col1\" class=\"data row4 col1\" ></td>\n",
-              "      <td id=\"T_86065_row4_col2\" class=\"data row4 col2\" ></td>\n",
-              "      <td id=\"T_86065_row4_col3\" class=\"data row4 col3\" ></td>\n",
-              "      <td id=\"T_86065_row4_col4\" class=\"data row4 col4\" ></td>\n",
-              "      <td id=\"T_86065_row4_col5\" class=\"data row4 col5\" ></td>\n",
-              "      <td id=\"T_86065_row4_col6\" class=\"data row4 col6\" >1.47%</td>\n",
-              "      <td id=\"T_86065_row4_col7\" class=\"data row4 col7\" >-0.94%</td>\n",
-              "      <td id=\"T_86065_row4_col8\" class=\"data row4 col8\" >1.50%</td>\n",
-              "      <td id=\"T_86065_row4_col9\" class=\"data row4 col9\" >-0.92%</td>\n",
+              "      <th id=\"T_0723d_level0_row4\" class=\"row_heading level0 row4\" >1.960000</th>\n",
+              "      <td id=\"T_0723d_row4_col0\" class=\"data row4 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row4_col1\" class=\"data row4 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row4_col2\" class=\"data row4 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row4_col3\" class=\"data row4 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row4_col4\" class=\"data row4 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row4_col5\" class=\"data row4 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row4_col6\" class=\"data row4 col6\" >1.47%</td>\n",
+              "      <td id=\"T_0723d_row4_col7\" class=\"data row4 col7\" >-0.94%</td>\n",
+              "      <td id=\"T_0723d_row4_col8\" class=\"data row4 col8\" >1.50%</td>\n",
+              "      <td id=\"T_0723d_row4_col9\" class=\"data row4 col9\" >-0.92%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row5\" class=\"row_heading level0 row5\" >2.740000</th>\n",
-              "      <td id=\"T_86065_row5_col0\" class=\"data row5 col0\" ></td>\n",
-              "      <td id=\"T_86065_row5_col1\" class=\"data row5 col1\" ></td>\n",
-              "      <td id=\"T_86065_row5_col2\" class=\"data row5 col2\" ></td>\n",
-              "      <td id=\"T_86065_row5_col3\" class=\"data row5 col3\" ></td>\n",
-              "      <td id=\"T_86065_row5_col4\" class=\"data row5 col4\" >1.87%</td>\n",
-              "      <td id=\"T_86065_row5_col5\" class=\"data row5 col5\" ></td>\n",
-              "      <td id=\"T_86065_row5_col6\" class=\"data row5 col6\" >-0.06%</td>\n",
-              "      <td id=\"T_86065_row5_col7\" class=\"data row5 col7\" >-2.08%</td>\n",
-              "      <td id=\"T_86065_row5_col8\" class=\"data row5 col8\" >-1.56%</td>\n",
-              "      <td id=\"T_86065_row5_col9\" class=\"data row5 col9\" >0.94%</td>\n",
+              "      <th id=\"T_0723d_level0_row5\" class=\"row_heading level0 row5\" >2.740000</th>\n",
+              "      <td id=\"T_0723d_row5_col0\" class=\"data row5 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row5_col1\" class=\"data row5 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row5_col2\" class=\"data row5 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row5_col3\" class=\"data row5 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row5_col4\" class=\"data row5 col4\" >1.87%</td>\n",
+              "      <td id=\"T_0723d_row5_col5\" class=\"data row5 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row5_col6\" class=\"data row5 col6\" >-0.06%</td>\n",
+              "      <td id=\"T_0723d_row5_col7\" class=\"data row5 col7\" >-2.08%</td>\n",
+              "      <td id=\"T_0723d_row5_col8\" class=\"data row5 col8\" >-1.56%</td>\n",
+              "      <td id=\"T_0723d_row5_col9\" class=\"data row5 col9\" >0.94%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row6\" class=\"row_heading level0 row6\" >3.840000</th>\n",
-              "      <td id=\"T_86065_row6_col0\" class=\"data row6 col0\" ></td>\n",
-              "      <td id=\"T_86065_row6_col1\" class=\"data row6 col1\" ></td>\n",
-              "      <td id=\"T_86065_row6_col2\" class=\"data row6 col2\" ></td>\n",
-              "      <td id=\"T_86065_row6_col3\" class=\"data row6 col3\" ></td>\n",
-              "      <td id=\"T_86065_row6_col4\" class=\"data row6 col4\" >-0.13%</td>\n",
-              "      <td id=\"T_86065_row6_col5\" class=\"data row6 col5\" >3.35%</td>\n",
-              "      <td id=\"T_86065_row6_col6\" class=\"data row6 col6\" >-1.06%</td>\n",
-              "      <td id=\"T_86065_row6_col7\" class=\"data row6 col7\" >-0.03%</td>\n",
-              "      <td id=\"T_86065_row6_col8\" class=\"data row6 col8\" >-0.05%</td>\n",
-              "      <td id=\"T_86065_row6_col9\" class=\"data row6 col9\" >2.24%</td>\n",
+              "      <th id=\"T_0723d_level0_row6\" class=\"row_heading level0 row6\" >3.840000</th>\n",
+              "      <td id=\"T_0723d_row6_col0\" class=\"data row6 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row6_col1\" class=\"data row6 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row6_col2\" class=\"data row6 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row6_col3\" class=\"data row6 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row6_col4\" class=\"data row6 col4\" >-0.13%</td>\n",
+              "      <td id=\"T_0723d_row6_col5\" class=\"data row6 col5\" >3.35%</td>\n",
+              "      <td id=\"T_0723d_row6_col6\" class=\"data row6 col6\" >-1.06%</td>\n",
+              "      <td id=\"T_0723d_row6_col7\" class=\"data row6 col7\" >-0.03%</td>\n",
+              "      <td id=\"T_0723d_row6_col8\" class=\"data row6 col8\" >-0.05%</td>\n",
+              "      <td id=\"T_0723d_row6_col9\" class=\"data row6 col9\" >2.24%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row7\" class=\"row_heading level0 row7\" >5.380000</th>\n",
-              "      <td id=\"T_86065_row7_col0\" class=\"data row7 col0\" ></td>\n",
-              "      <td id=\"T_86065_row7_col1\" class=\"data row7 col1\" ></td>\n",
-              "      <td id=\"T_86065_row7_col2\" class=\"data row7 col2\" ></td>\n",
-              "      <td id=\"T_86065_row7_col3\" class=\"data row7 col3\" >0.75%</td>\n",
-              "      <td id=\"T_86065_row7_col4\" class=\"data row7 col4\" >-1.12%</td>\n",
-              "      <td id=\"T_86065_row7_col5\" class=\"data row7 col5\" ></td>\n",
-              "      <td id=\"T_86065_row7_col6\" class=\"data row7 col6\" >-1.56%</td>\n",
-              "      <td id=\"T_86065_row7_col7\" class=\"data row7 col7\" >-0.14%</td>\n",
-              "      <td id=\"T_86065_row7_col8\" class=\"data row7 col8\" >-0.93%</td>\n",
-              "      <td id=\"T_86065_row7_col9\" class=\"data row7 col9\" >3.56%</td>\n",
+              "      <th id=\"T_0723d_level0_row7\" class=\"row_heading level0 row7\" >5.380000</th>\n",
+              "      <td id=\"T_0723d_row7_col0\" class=\"data row7 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row7_col1\" class=\"data row7 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row7_col2\" class=\"data row7 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row7_col3\" class=\"data row7 col3\" >0.75%</td>\n",
+              "      <td id=\"T_0723d_row7_col4\" class=\"data row7 col4\" >-1.12%</td>\n",
+              "      <td id=\"T_0723d_row7_col5\" class=\"data row7 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row7_col6\" class=\"data row7 col6\" >-1.56%</td>\n",
+              "      <td id=\"T_0723d_row7_col7\" class=\"data row7 col7\" >-0.14%</td>\n",
+              "      <td id=\"T_0723d_row7_col8\" class=\"data row7 col8\" >-0.93%</td>\n",
+              "      <td id=\"T_0723d_row7_col9\" class=\"data row7 col9\" >3.56%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row8\" class=\"row_heading level0 row8\" >7.530000</th>\n",
-              "      <td id=\"T_86065_row8_col0\" class=\"data row8 col0\" ></td>\n",
-              "      <td id=\"T_86065_row8_col1\" class=\"data row8 col1\" >-1.09%</td>\n",
-              "      <td id=\"T_86065_row8_col2\" class=\"data row8 col2\" ></td>\n",
-              "      <td id=\"T_86065_row8_col3\" class=\"data row8 col3\" >-1.31%</td>\n",
-              "      <td id=\"T_86065_row8_col4\" class=\"data row8 col4\" >-0.70%</td>\n",
-              "      <td id=\"T_86065_row8_col5\" class=\"data row8 col5\" >1.54%</td>\n",
-              "      <td id=\"T_86065_row8_col6\" class=\"data row8 col6\" >-0.18%</td>\n",
-              "      <td id=\"T_86065_row8_col7\" class=\"data row8 col7\" >-0.18%</td>\n",
-              "      <td id=\"T_86065_row8_col8\" class=\"data row8 col8\" >1.03%</td>\n",
-              "      <td id=\"T_86065_row8_col9\" class=\"data row8 col9\" >2.32%</td>\n",
+              "      <th id=\"T_0723d_level0_row8\" class=\"row_heading level0 row8\" >7.530000</th>\n",
+              "      <td id=\"T_0723d_row8_col0\" class=\"data row8 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row8_col1\" class=\"data row8 col1\" >-1.09%</td>\n",
+              "      <td id=\"T_0723d_row8_col2\" class=\"data row8 col2\" ></td>\n",
+              "      <td id=\"T_0723d_row8_col3\" class=\"data row8 col3\" >-1.31%</td>\n",
+              "      <td id=\"T_0723d_row8_col4\" class=\"data row8 col4\" >-0.70%</td>\n",
+              "      <td id=\"T_0723d_row8_col5\" class=\"data row8 col5\" >1.54%</td>\n",
+              "      <td id=\"T_0723d_row8_col6\" class=\"data row8 col6\" >-0.18%</td>\n",
+              "      <td id=\"T_0723d_row8_col7\" class=\"data row8 col7\" >-0.18%</td>\n",
+              "      <td id=\"T_0723d_row8_col8\" class=\"data row8 col8\" >1.03%</td>\n",
+              "      <td id=\"T_0723d_row8_col9\" class=\"data row8 col9\" >2.32%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row9\" class=\"row_heading level0 row9\" >10.540000</th>\n",
-              "      <td id=\"T_86065_row9_col0\" class=\"data row9 col0\" ></td>\n",
-              "      <td id=\"T_86065_row9_col1\" class=\"data row9 col1\" >-2.02%</td>\n",
-              "      <td id=\"T_86065_row9_col2\" class=\"data row9 col2\" >-3.71%</td>\n",
-              "      <td id=\"T_86065_row9_col3\" class=\"data row9 col3\" >-2.23%</td>\n",
-              "      <td id=\"T_86065_row9_col4\" class=\"data row9 col4\" >-0.93%</td>\n",
-              "      <td id=\"T_86065_row9_col5\" class=\"data row9 col5\" >1.34%</td>\n",
-              "      <td id=\"T_86065_row9_col6\" class=\"data row9 col6\" >1.22%</td>\n",
-              "      <td id=\"T_86065_row9_col7\" class=\"data row9 col7\" >1.80%</td>\n",
-              "      <td id=\"T_86065_row9_col8\" class=\"data row9 col8\" >1.99%</td>\n",
-              "      <td id=\"T_86065_row9_col9\" class=\"data row9 col9\" >3.17%</td>\n",
+              "      <th id=\"T_0723d_level0_row9\" class=\"row_heading level0 row9\" >10.540000</th>\n",
+              "      <td id=\"T_0723d_row9_col0\" class=\"data row9 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row9_col1\" class=\"data row9 col1\" >-2.02%</td>\n",
+              "      <td id=\"T_0723d_row9_col2\" class=\"data row9 col2\" >-3.71%</td>\n",
+              "      <td id=\"T_0723d_row9_col3\" class=\"data row9 col3\" >-2.23%</td>\n",
+              "      <td id=\"T_0723d_row9_col4\" class=\"data row9 col4\" >-0.93%</td>\n",
+              "      <td id=\"T_0723d_row9_col5\" class=\"data row9 col5\" >1.34%</td>\n",
+              "      <td id=\"T_0723d_row9_col6\" class=\"data row9 col6\" >1.22%</td>\n",
+              "      <td id=\"T_0723d_row9_col7\" class=\"data row9 col7\" >1.80%</td>\n",
+              "      <td id=\"T_0723d_row9_col8\" class=\"data row9 col8\" >1.99%</td>\n",
+              "      <td id=\"T_0723d_row9_col9\" class=\"data row9 col9\" >3.17%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row10\" class=\"row_heading level0 row10\" >14.760000</th>\n",
-              "      <td id=\"T_86065_row10_col0\" class=\"data row10 col0\" >-4.26%</td>\n",
-              "      <td id=\"T_86065_row10_col1\" class=\"data row10 col1\" >-3.58%</td>\n",
-              "      <td id=\"T_86065_row10_col2\" class=\"data row10 col2\" >-1.22%</td>\n",
-              "      <td id=\"T_86065_row10_col3\" class=\"data row10 col3\" >-0.49%</td>\n",
-              "      <td id=\"T_86065_row10_col4\" class=\"data row10 col4\" >-0.68%</td>\n",
-              "      <td id=\"T_86065_row10_col5\" class=\"data row10 col5\" >3.55%</td>\n",
-              "      <td id=\"T_86065_row10_col6\" class=\"data row10 col6\" >-0.17%</td>\n",
-              "      <td id=\"T_86065_row10_col7\" class=\"data row10 col7\" >1.43%</td>\n",
-              "      <td id=\"T_86065_row10_col8\" class=\"data row10 col8\" >2.58%</td>\n",
-              "      <td id=\"T_86065_row10_col9\" class=\"data row10 col9\" >2.58%</td>\n",
+              "      <th id=\"T_0723d_level0_row10\" class=\"row_heading level0 row10\" >14.760000</th>\n",
+              "      <td id=\"T_0723d_row10_col0\" class=\"data row10 col0\" >-4.26%</td>\n",
+              "      <td id=\"T_0723d_row10_col1\" class=\"data row10 col1\" >-3.58%</td>\n",
+              "      <td id=\"T_0723d_row10_col2\" class=\"data row10 col2\" >-1.22%</td>\n",
+              "      <td id=\"T_0723d_row10_col3\" class=\"data row10 col3\" >-0.49%</td>\n",
+              "      <td id=\"T_0723d_row10_col4\" class=\"data row10 col4\" >-0.68%</td>\n",
+              "      <td id=\"T_0723d_row10_col5\" class=\"data row10 col5\" >3.55%</td>\n",
+              "      <td id=\"T_0723d_row10_col6\" class=\"data row10 col6\" >-0.17%</td>\n",
+              "      <td id=\"T_0723d_row10_col7\" class=\"data row10 col7\" >1.43%</td>\n",
+              "      <td id=\"T_0723d_row10_col8\" class=\"data row10 col8\" >2.58%</td>\n",
+              "      <td id=\"T_0723d_row10_col9\" class=\"data row10 col9\" >2.58%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row11\" class=\"row_heading level0 row11\" >20.660000</th>\n",
-              "      <td id=\"T_86065_row11_col0\" class=\"data row11 col0\" ></td>\n",
-              "      <td id=\"T_86065_row11_col1\" class=\"data row11 col1\" ></td>\n",
-              "      <td id=\"T_86065_row11_col2\" class=\"data row11 col2\" >-2.86%</td>\n",
-              "      <td id=\"T_86065_row11_col3\" class=\"data row11 col3\" >-1.22%</td>\n",
-              "      <td id=\"T_86065_row11_col4\" class=\"data row11 col4\" >0.24%</td>\n",
-              "      <td id=\"T_86065_row11_col5\" class=\"data row11 col5\" >2.29%</td>\n",
-              "      <td id=\"T_86065_row11_col6\" class=\"data row11 col6\" >3.85%</td>\n",
-              "      <td id=\"T_86065_row11_col7\" class=\"data row11 col7\" >3.62%</td>\n",
-              "      <td id=\"T_86065_row11_col8\" class=\"data row11 col8\" >0.86%</td>\n",
-              "      <td id=\"T_86065_row11_col9\" class=\"data row11 col9\" >2.78%</td>\n",
+              "      <th id=\"T_0723d_level0_row11\" class=\"row_heading level0 row11\" >20.660000</th>\n",
+              "      <td id=\"T_0723d_row11_col0\" class=\"data row11 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row11_col1\" class=\"data row11 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row11_col2\" class=\"data row11 col2\" >-2.86%</td>\n",
+              "      <td id=\"T_0723d_row11_col3\" class=\"data row11 col3\" >-1.22%</td>\n",
+              "      <td id=\"T_0723d_row11_col4\" class=\"data row11 col4\" >0.24%</td>\n",
+              "      <td id=\"T_0723d_row11_col5\" class=\"data row11 col5\" >2.29%</td>\n",
+              "      <td id=\"T_0723d_row11_col6\" class=\"data row11 col6\" >3.85%</td>\n",
+              "      <td id=\"T_0723d_row11_col7\" class=\"data row11 col7\" >3.62%</td>\n",
+              "      <td id=\"T_0723d_row11_col8\" class=\"data row11 col8\" >0.86%</td>\n",
+              "      <td id=\"T_0723d_row11_col9\" class=\"data row11 col9\" >2.78%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row12\" class=\"row_heading level0 row12\" >28.930000</th>\n",
-              "      <td id=\"T_86065_row12_col0\" class=\"data row12 col0\" >-5.01%</td>\n",
-              "      <td id=\"T_86065_row12_col1\" class=\"data row12 col1\" ></td>\n",
-              "      <td id=\"T_86065_row12_col2\" class=\"data row12 col2\" >-2.90%</td>\n",
-              "      <td id=\"T_86065_row12_col3\" class=\"data row12 col3\" >-0.04%</td>\n",
-              "      <td id=\"T_86065_row12_col4\" class=\"data row12 col4\" >1.53%</td>\n",
-              "      <td id=\"T_86065_row12_col5\" class=\"data row12 col5\" >2.70%</td>\n",
-              "      <td id=\"T_86065_row12_col6\" class=\"data row12 col6\" >0.73%</td>\n",
-              "      <td id=\"T_86065_row12_col7\" class=\"data row12 col7\" >3.92%</td>\n",
-              "      <td id=\"T_86065_row12_col8\" class=\"data row12 col8\" >1.28%</td>\n",
-              "      <td id=\"T_86065_row12_col9\" class=\"data row12 col9\" >4.04%</td>\n",
+              "      <th id=\"T_0723d_level0_row12\" class=\"row_heading level0 row12\" >28.930000</th>\n",
+              "      <td id=\"T_0723d_row12_col0\" class=\"data row12 col0\" >-5.01%</td>\n",
+              "      <td id=\"T_0723d_row12_col1\" class=\"data row12 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row12_col2\" class=\"data row12 col2\" >-2.90%</td>\n",
+              "      <td id=\"T_0723d_row12_col3\" class=\"data row12 col3\" >-0.04%</td>\n",
+              "      <td id=\"T_0723d_row12_col4\" class=\"data row12 col4\" >1.53%</td>\n",
+              "      <td id=\"T_0723d_row12_col5\" class=\"data row12 col5\" >2.70%</td>\n",
+              "      <td id=\"T_0723d_row12_col6\" class=\"data row12 col6\" >0.73%</td>\n",
+              "      <td id=\"T_0723d_row12_col7\" class=\"data row12 col7\" >3.92%</td>\n",
+              "      <td id=\"T_0723d_row12_col8\" class=\"data row12 col8\" >1.28%</td>\n",
+              "      <td id=\"T_0723d_row12_col9\" class=\"data row12 col9\" >4.04%</td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row13\" class=\"row_heading level0 row13\" >40.500000</th>\n",
-              "      <td id=\"T_86065_row13_col0\" class=\"data row13 col0\" >-3.42%</td>\n",
-              "      <td id=\"T_86065_row13_col1\" class=\"data row13 col1\" ></td>\n",
-              "      <td id=\"T_86065_row13_col2\" class=\"data row13 col2\" >-2.45%</td>\n",
-              "      <td id=\"T_86065_row13_col3\" class=\"data row13 col3\" >-0.89%</td>\n",
-              "      <td id=\"T_86065_row13_col4\" class=\"data row13 col4\" >2.81%</td>\n",
-              "      <td id=\"T_86065_row13_col5\" class=\"data row13 col5\" >2.57%</td>\n",
-              "      <td id=\"T_86065_row13_col6\" class=\"data row13 col6\" >1.75%</td>\n",
-              "      <td id=\"T_86065_row13_col7\" class=\"data row13 col7\" >4.93%</td>\n",
-              "      <td id=\"T_86065_row13_col8\" class=\"data row13 col8\" >2.36%</td>\n",
-              "      <td id=\"T_86065_row13_col9\" class=\"data row13 col9\" ></td>\n",
+              "      <th id=\"T_0723d_level0_row13\" class=\"row_heading level0 row13\" >40.500000</th>\n",
+              "      <td id=\"T_0723d_row13_col0\" class=\"data row13 col0\" >-3.42%</td>\n",
+              "      <td id=\"T_0723d_row13_col1\" class=\"data row13 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row13_col2\" class=\"data row13 col2\" >-2.45%</td>\n",
+              "      <td id=\"T_0723d_row13_col3\" class=\"data row13 col3\" >-0.89%</td>\n",
+              "      <td id=\"T_0723d_row13_col4\" class=\"data row13 col4\" >2.81%</td>\n",
+              "      <td id=\"T_0723d_row13_col5\" class=\"data row13 col5\" >2.57%</td>\n",
+              "      <td id=\"T_0723d_row13_col6\" class=\"data row13 col6\" >1.75%</td>\n",
+              "      <td id=\"T_0723d_row13_col7\" class=\"data row13 col7\" >4.93%</td>\n",
+              "      <td id=\"T_0723d_row13_col8\" class=\"data row13 col8\" >2.36%</td>\n",
+              "      <td id=\"T_0723d_row13_col9\" class=\"data row13 col9\" ></td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row14\" class=\"row_heading level0 row14\" >56.690000</th>\n",
-              "      <td id=\"T_86065_row14_col0\" class=\"data row14 col0\" >-4.24%</td>\n",
-              "      <td id=\"T_86065_row14_col1\" class=\"data row14 col1\" ></td>\n",
-              "      <td id=\"T_86065_row14_col2\" class=\"data row14 col2\" >-1.55%</td>\n",
-              "      <td id=\"T_86065_row14_col3\" class=\"data row14 col3\" >-0.51%</td>\n",
-              "      <td id=\"T_86065_row14_col4\" class=\"data row14 col4\" >1.41%</td>\n",
-              "      <td id=\"T_86065_row14_col5\" class=\"data row14 col5\" >3.53%</td>\n",
-              "      <td id=\"T_86065_row14_col6\" class=\"data row14 col6\" >1.98%</td>\n",
-              "      <td id=\"T_86065_row14_col7\" class=\"data row14 col7\" >2.17%</td>\n",
-              "      <td id=\"T_86065_row14_col8\" class=\"data row14 col8\" ></td>\n",
-              "      <td id=\"T_86065_row14_col9\" class=\"data row14 col9\" ></td>\n",
+              "      <th id=\"T_0723d_level0_row14\" class=\"row_heading level0 row14\" >56.690000</th>\n",
+              "      <td id=\"T_0723d_row14_col0\" class=\"data row14 col0\" >-4.24%</td>\n",
+              "      <td id=\"T_0723d_row14_col1\" class=\"data row14 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row14_col2\" class=\"data row14 col2\" >-1.55%</td>\n",
+              "      <td id=\"T_0723d_row14_col3\" class=\"data row14 col3\" >-0.51%</td>\n",
+              "      <td id=\"T_0723d_row14_col4\" class=\"data row14 col4\" >1.41%</td>\n",
+              "      <td id=\"T_0723d_row14_col5\" class=\"data row14 col5\" >3.53%</td>\n",
+              "      <td id=\"T_0723d_row14_col6\" class=\"data row14 col6\" >1.98%</td>\n",
+              "      <td id=\"T_0723d_row14_col7\" class=\"data row14 col7\" >2.17%</td>\n",
+              "      <td id=\"T_0723d_row14_col8\" class=\"data row14 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row14_col9\" class=\"data row14 col9\" ></td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row15\" class=\"row_heading level0 row15\" >79.370000</th>\n",
-              "      <td id=\"T_86065_row15_col0\" class=\"data row15 col0\" >-4.92%</td>\n",
-              "      <td id=\"T_86065_row15_col1\" class=\"data row15 col1\" ></td>\n",
-              "      <td id=\"T_86065_row15_col2\" class=\"data row15 col2\" >-1.01%</td>\n",
-              "      <td id=\"T_86065_row15_col3\" class=\"data row15 col3\" >-2.67%</td>\n",
-              "      <td id=\"T_86065_row15_col4\" class=\"data row15 col4\" >5.00%</td>\n",
-              "      <td id=\"T_86065_row15_col5\" class=\"data row15 col5\" ></td>\n",
-              "      <td id=\"T_86065_row15_col6\" class=\"data row15 col6\" >2.39%</td>\n",
-              "      <td id=\"T_86065_row15_col7\" class=\"data row15 col7\" ></td>\n",
-              "      <td id=\"T_86065_row15_col8\" class=\"data row15 col8\" ></td>\n",
-              "      <td id=\"T_86065_row15_col9\" class=\"data row15 col9\" ></td>\n",
+              "      <th id=\"T_0723d_level0_row15\" class=\"row_heading level0 row15\" >79.370000</th>\n",
+              "      <td id=\"T_0723d_row15_col0\" class=\"data row15 col0\" >-4.92%</td>\n",
+              "      <td id=\"T_0723d_row15_col1\" class=\"data row15 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row15_col2\" class=\"data row15 col2\" >-1.01%</td>\n",
+              "      <td id=\"T_0723d_row15_col3\" class=\"data row15 col3\" >-2.67%</td>\n",
+              "      <td id=\"T_0723d_row15_col4\" class=\"data row15 col4\" >5.00%</td>\n",
+              "      <td id=\"T_0723d_row15_col5\" class=\"data row15 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row15_col6\" class=\"data row15 col6\" >2.39%</td>\n",
+              "      <td id=\"T_0723d_row15_col7\" class=\"data row15 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row15_col8\" class=\"data row15 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row15_col9\" class=\"data row15 col9\" ></td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row16\" class=\"row_heading level0 row16\" >111.120000</th>\n",
-              "      <td id=\"T_86065_row16_col0\" class=\"data row16 col0\" >-7.21%</td>\n",
-              "      <td id=\"T_86065_row16_col1\" class=\"data row16 col1\" ></td>\n",
-              "      <td id=\"T_86065_row16_col2\" class=\"data row16 col2\" >-2.62%</td>\n",
-              "      <td id=\"T_86065_row16_col3\" class=\"data row16 col3\" >-2.03%</td>\n",
-              "      <td id=\"T_86065_row16_col4\" class=\"data row16 col4\" ></td>\n",
-              "      <td id=\"T_86065_row16_col5\" class=\"data row16 col5\" ></td>\n",
-              "      <td id=\"T_86065_row16_col6\" class=\"data row16 col6\" ></td>\n",
-              "      <td id=\"T_86065_row16_col7\" class=\"data row16 col7\" ></td>\n",
-              "      <td id=\"T_86065_row16_col8\" class=\"data row16 col8\" ></td>\n",
-              "      <td id=\"T_86065_row16_col9\" class=\"data row16 col9\" ></td>\n",
+              "      <th id=\"T_0723d_level0_row16\" class=\"row_heading level0 row16\" >111.120000</th>\n",
+              "      <td id=\"T_0723d_row16_col0\" class=\"data row16 col0\" >-7.21%</td>\n",
+              "      <td id=\"T_0723d_row16_col1\" class=\"data row16 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row16_col2\" class=\"data row16 col2\" >-2.62%</td>\n",
+              "      <td id=\"T_0723d_row16_col3\" class=\"data row16 col3\" >-2.03%</td>\n",
+              "      <td id=\"T_0723d_row16_col4\" class=\"data row16 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row16_col5\" class=\"data row16 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row16_col6\" class=\"data row16 col6\" ></td>\n",
+              "      <td id=\"T_0723d_row16_col7\" class=\"data row16 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row16_col8\" class=\"data row16 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row16_col9\" class=\"data row16 col9\" ></td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row17\" class=\"row_heading level0 row17\" >155.570000</th>\n",
-              "      <td id=\"T_86065_row17_col0\" class=\"data row17 col0\" >-8.77%</td>\n",
-              "      <td id=\"T_86065_row17_col1\" class=\"data row17 col1\" ></td>\n",
-              "      <td id=\"T_86065_row17_col2\" class=\"data row17 col2\" >-2.07%</td>\n",
-              "      <td id=\"T_86065_row17_col3\" class=\"data row17 col3\" >-1.76%</td>\n",
-              "      <td id=\"T_86065_row17_col4\" class=\"data row17 col4\" ></td>\n",
-              "      <td id=\"T_86065_row17_col5\" class=\"data row17 col5\" ></td>\n",
-              "      <td id=\"T_86065_row17_col6\" class=\"data row17 col6\" ></td>\n",
-              "      <td id=\"T_86065_row17_col7\" class=\"data row17 col7\" ></td>\n",
-              "      <td id=\"T_86065_row17_col8\" class=\"data row17 col8\" ></td>\n",
-              "      <td id=\"T_86065_row17_col9\" class=\"data row17 col9\" ></td>\n",
+              "      <th id=\"T_0723d_level0_row17\" class=\"row_heading level0 row17\" >155.570000</th>\n",
+              "      <td id=\"T_0723d_row17_col0\" class=\"data row17 col0\" >-8.77%</td>\n",
+              "      <td id=\"T_0723d_row17_col1\" class=\"data row17 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row17_col2\" class=\"data row17 col2\" >-2.07%</td>\n",
+              "      <td id=\"T_0723d_row17_col3\" class=\"data row17 col3\" >-1.76%</td>\n",
+              "      <td id=\"T_0723d_row17_col4\" class=\"data row17 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row17_col5\" class=\"data row17 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row17_col6\" class=\"data row17 col6\" ></td>\n",
+              "      <td id=\"T_0723d_row17_col7\" class=\"data row17 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row17_col8\" class=\"data row17 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row17_col9\" class=\"data row17 col9\" ></td>\n",
               "    </tr>\n",
               "    <tr>\n",
-              "      <th id=\"T_86065_level0_row18\" class=\"row_heading level0 row18\" >217.800000</th>\n",
-              "      <td id=\"T_86065_row18_col0\" class=\"data row18 col0\" ></td>\n",
-              "      <td id=\"T_86065_row18_col1\" class=\"data row18 col1\" ></td>\n",
-              "      <td id=\"T_86065_row18_col2\" class=\"data row18 col2\" >-3.50%</td>\n",
-              "      <td id=\"T_86065_row18_col3\" class=\"data row18 col3\" ></td>\n",
-              "      <td id=\"T_86065_row18_col4\" class=\"data row18 col4\" ></td>\n",
-              "      <td id=\"T_86065_row18_col5\" class=\"data row18 col5\" ></td>\n",
-              "      <td id=\"T_86065_row18_col6\" class=\"data row18 col6\" ></td>\n",
-              "      <td id=\"T_86065_row18_col7\" class=\"data row18 col7\" ></td>\n",
-              "      <td id=\"T_86065_row18_col8\" class=\"data row18 col8\" ></td>\n",
-              "      <td id=\"T_86065_row18_col9\" class=\"data row18 col9\" ></td>\n",
+              "      <th id=\"T_0723d_level0_row18\" class=\"row_heading level0 row18\" >217.800000</th>\n",
+              "      <td id=\"T_0723d_row18_col0\" class=\"data row18 col0\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col1\" class=\"data row18 col1\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col2\" class=\"data row18 col2\" >-3.50%</td>\n",
+              "      <td id=\"T_0723d_row18_col3\" class=\"data row18 col3\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col4\" class=\"data row18 col4\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col5\" class=\"data row18 col5\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col6\" class=\"data row18 col6\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col7\" class=\"data row18 col7\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col8\" class=\"data row18 col8\" ></td>\n",
+              "      <td id=\"T_0723d_row18_col9\" class=\"data row18 col9\" ></td>\n",
               "    </tr>\n",
               "  </tbody>\n",
               "</table>\n"
             ],
             "text/plain": [
-              "<pandas.io.formats.style.Styler at 0x2d04e9e50>"
+              "<pandas.io.formats.style.Styler at 0x2de821100>"
             ]
           },
           "execution_count": 13,
diff --git a/package/fsrs4anki_optimizer/fsrs4anki_optimizer.py b/package/fsrs4anki_optimizer/fsrs4anki_optimizer.py
index d6905b9..067caf6 100644
--- a/package/fsrs4anki_optimizer/fsrs4anki_optimizer.py
+++ b/package/fsrs4anki_optimizer/fsrs4anki_optimizer.py
@@ -465,6 +465,11 @@ def train(self, lr: float = 4e-2, n_epoch: int = 3, n_splits: int = 3, batch_siz
         self.dataset['tensor'] = self.dataset.progress_apply(lambda x: lineToTensor(list(zip([x['t_history']], [x['r_history']]))[0]), axis=1)
         self.dataset['group'] = self.dataset['r_history'] + self.dataset['t_history']
         print("Tensorized!")
+        
+        n_pre_train_groups = len(self.dataset[self.dataset['i'] == 2]['group'].unique())
+        if n_pre_train_groups < n_splits:
+            print("Not enough groups for pre-training. Splitting into {} folds.".format(n_pre_train_groups))
+            n_splits = n_pre_train_groups
 
         w = []
         plots = []
diff --git a/package/pyproject.toml b/package/pyproject.toml
index a069b29..b5ef9b2 100644
--- a/package/pyproject.toml
+++ b/package/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "fsrs4anki_optimizer"
-version = "3.25.2"
+version = "3.25.3"
 readme = "README.md"
 dependencies = [
     "matplotlib>=3.7.0",