diff --git a/doc/pub/week35/html/._week35-bs000.html b/doc/pub/week35/html/._week35-bs000.html
index f39c54f6b..77dc273fd 100644
--- a/doc/pub/week35/html/._week35-bs000.html
+++ b/doc/pub/week35/html/._week35-bs000.html
@@ -404,7 +404,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Aug 29, 2022</h4>
+<h4>Aug 30, 2022</h4>
 </center> <!-- date -->
 <br>
 
diff --git a/doc/pub/week35/html/._week35-bs017.html b/doc/pub/week35/html/._week35-bs017.html
index 63fddb812..f993b8ef4 100644
--- a/doc/pub/week35/html/._week35-bs017.html
+++ b/doc/pub/week35/html/._week35-bs017.html
@@ -408,6 +408,7 @@ $$
 \frac{\partial \log{\vert\boldsymbol{A}\vert}}{\partial \boldsymbol{A}} = (\boldsymbol{A}^{-1})^T.
 $$
 
+<p>See the jupyter-book (complete lecture notes) for the derivations of these relations.</p>
 
 <p>
 <!-- navigation buttons at the bottom of the page -->
diff --git a/doc/pub/week35/html/week35-bs.html b/doc/pub/week35/html/week35-bs.html
index f39c54f6b..77dc273fd 100644
--- a/doc/pub/week35/html/week35-bs.html
+++ b/doc/pub/week35/html/week35-bs.html
@@ -404,7 +404,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Aug 29, 2022</h4>
+<h4>Aug 30, 2022</h4>
 </center> <!-- date -->
 <br>
 
diff --git a/doc/pub/week35/html/week35-reveal.html b/doc/pub/week35/html/week35-reveal.html
index 13ef5ff7d..9baf4fa2e 100644
--- a/doc/pub/week35/html/week35-reveal.html
+++ b/doc/pub/week35/html/week35-reveal.html
@@ -184,7 +184,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Aug 29, 2022</h4>
+<h4>Aug 30, 2022</h4>
 </center> <!-- date -->
 <br>
 
@@ -794,6 +794,8 @@ $$
 \frac{\partial \log{\vert\boldsymbol{A}\vert}}{\partial \boldsymbol{A}} = (\boldsymbol{A}^{-1})^T.
 $$
 <p>&nbsp;<br>
+
+<p>See the jupyter-book (complete lecture notes) for the derivations of these relations.</p>
 </section>
 
 <section>
diff --git a/doc/pub/week35/html/week35-solarized.html b/doc/pub/week35/html/week35-solarized.html
index 3e3deed64..fd73c7667 100644
--- a/doc/pub/week35/html/week35-solarized.html
+++ b/doc/pub/week35/html/week35-solarized.html
@@ -330,7 +330,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Aug 29, 2022</h4>
+<h4>Aug 30, 2022</h4>
 </center> <!-- date -->
 <br>
 
@@ -866,6 +866,7 @@ $$
 \frac{\partial \log{\vert\boldsymbol{A}\vert}}{\partial \boldsymbol{A}} = (\boldsymbol{A}^{-1})^T.
 $$
 
+<p>See the jupyter-book (complete lecture notes) for the derivations of these relations.</p>
 
 <!-- !split --><br><br><br><br><br><br><br><br><br><br>
 <h2 id="meet-the-hessian-matrix">Meet the Hessian Matrix </h2>
diff --git a/doc/pub/week35/html/week35.html b/doc/pub/week35/html/week35.html
index 6b0f8dd15..0c49aef2f 100644
--- a/doc/pub/week35/html/week35.html
+++ b/doc/pub/week35/html/week35.html
@@ -407,7 +407,7 @@ MathJax.Hub.Config({
 </center>
 <br>
 <center>
-<h4>Aug 29, 2022</h4>
+<h4>Aug 30, 2022</h4>
 </center> <!-- date -->
 <br>
 
@@ -943,6 +943,7 @@ $$
 \frac{\partial \log{\vert\boldsymbol{A}\vert}}{\partial \boldsymbol{A}} = (\boldsymbol{A}^{-1})^T.
 $$
 
+<p>See the jupyter-book (complete lecture notes) for the derivations of these relations.</p>
 
 <!-- !split --><br><br><br><br><br><br><br><br><br><br>
 <h2 id="meet-the-hessian-matrix">Meet the Hessian Matrix </h2>
diff --git a/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz b/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz
index f62ea32e6..5b4ed1692 100644
Binary files a/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz and b/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz differ
diff --git a/doc/pub/week35/ipynb/week35.ipynb b/doc/pub/week35/ipynb/week35.ipynb
index 3e7b2feab..4a95992ab 100644
--- a/doc/pub/week35/ipynb/week35.ipynb
+++ b/doc/pub/week35/ipynb/week35.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "6ff2c831",
+   "id": "2ac48f8c",
    "metadata": {
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@@ -14,7 +14,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d003498d",
+   "id": "0455c452",
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@@ -22,14 +22,14 @@
     "# Week 35: From Ordinary Linear Regression to Ridge and Lasso Regression\n",
     "**Morten Hjorth-Jensen**, Department of Physics, University of Oslo and Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University\n",
     "\n",
-    "Date: **Aug 29, 2022**\n",
+    "Date: **Aug 30, 2022**\n",
     "\n",
     "Copyright 1999-2022, Morten Hjorth-Jensen. Released under CC Attribution-NonCommercial 4.0 license"
    ]
   },
   {
    "cell_type": "markdown",
-   "id": "0b5a7e63",
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@@ -45,7 +45,7 @@
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@@ -65,7 +65,7 @@
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@@ -86,7 +86,7 @@
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@@ -120,7 +120,7 @@
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@@ -142,7 +142,7 @@
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@@ -170,7 +170,7 @@
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@@ -185,7 +185,7 @@
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@@ -197,7 +197,7 @@
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@@ -212,7 +212,7 @@
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@@ -225,7 +225,7 @@
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@@ -237,7 +237,7 @@
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@@ -247,7 +247,7 @@
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@@ -258,7 +258,7 @@
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@@ -276,7 +276,7 @@
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@@ -287,7 +287,7 @@
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@@ -299,7 +299,7 @@
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@@ -309,7 +309,7 @@
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@@ -321,7 +321,7 @@
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@@ -331,7 +331,7 @@
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@@ -343,7 +343,7 @@
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@@ -353,7 +353,7 @@
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@@ -372,7 +372,7 @@
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@@ -382,7 +382,7 @@
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@@ -394,7 +394,7 @@
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@@ -404,7 +404,7 @@
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@@ -420,7 +420,7 @@
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@@ -440,7 +440,7 @@
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@@ -450,7 +450,7 @@
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@@ -461,7 +461,7 @@
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@@ -480,7 +480,7 @@
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@@ -490,7 +490,7 @@
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@@ -502,7 +502,7 @@
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@@ -512,7 +512,7 @@
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@@ -523,7 +523,7 @@
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@@ -543,7 +543,7 @@
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@@ -555,7 +555,7 @@
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@@ -570,7 +570,7 @@
   {
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-   "id": "029dbe82",
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@@ -652,7 +652,7 @@
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@@ -662,7 +662,7 @@
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@@ -674,7 +674,7 @@
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@@ -684,7 +684,7 @@
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@@ -695,7 +695,7 @@
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@@ -707,7 +707,7 @@
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@@ -717,7 +717,7 @@
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@@ -729,7 +729,7 @@
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@@ -739,7 +739,7 @@
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@@ -751,7 +751,7 @@
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@@ -764,7 +764,7 @@
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@@ -776,7 +776,7 @@
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@@ -786,7 +786,7 @@
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@@ -798,7 +798,7 @@
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@@ -810,7 +810,7 @@
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@@ -821,7 +821,7 @@
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@@ -833,7 +833,7 @@
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@@ -887,7 +887,7 @@
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@@ -897,7 +897,7 @@
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-   "id": "e1636524",
+   "id": "8f581703",
+   "metadata": {
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+   },
+   "source": [
+    "See the jupyter-book (complete lecture notes) for the derivations of these relations."
+   ]
+  },
+  {
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+   "id": "e046326b",
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@@ -1118,7 +1128,7 @@
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@@ -1130,7 +1140,7 @@
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@@ -1148,7 +1158,7 @@
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@@ -1159,7 +1169,7 @@
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@@ -1171,7 +1181,7 @@
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@@ -1181,7 +1191,7 @@
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@@ -1193,7 +1203,7 @@
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@@ -1203,7 +1213,7 @@
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@@ -1215,7 +1225,7 @@
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@@ -1225,7 +1235,7 @@
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@@ -1239,7 +1249,7 @@
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@@ -1254,7 +1264,7 @@
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@@ -1265,7 +1275,7 @@
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@@ -1278,7 +1288,7 @@
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@@ -1289,7 +1299,7 @@
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@@ -1312,7 +1322,7 @@
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@@ -1326,7 +1336,7 @@
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@@ -1339,7 +1349,7 @@
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@@ -1350,7 +1360,7 @@
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@@ -1362,7 +1372,7 @@
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@@ -1373,7 +1383,7 @@
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@@ -1389,7 +1399,7 @@
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@@ -1400,7 +1410,7 @@
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@@ -1414,7 +1424,7 @@
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@@ -1435,7 +1445,7 @@
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@@ -1446,7 +1456,7 @@
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@@ -1495,7 +1505,7 @@
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@@ -1506,7 +1516,7 @@
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@@ -1531,7 +1541,7 @@
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@@ -1543,7 +1553,7 @@
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@@ -1587,7 +1597,7 @@
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@@ -1599,7 +1609,7 @@
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@@ -1615,7 +1625,7 @@
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@@ -1626,7 +1636,7 @@
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@@ -1644,7 +1654,7 @@
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@@ -1655,7 +1665,7 @@
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@@ -1669,7 +1679,7 @@
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@@ -1680,7 +1690,7 @@
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@@ -1693,7 +1703,7 @@
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@@ -1704,7 +1714,7 @@
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@@ -1721,7 +1731,7 @@
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@@ -1732,7 +1742,7 @@
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@@ -1748,7 +1758,7 @@
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@@ -1759,7 +1769,7 @@
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@@ -1783,7 +1793,7 @@
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@@ -1794,7 +1804,7 @@
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@@ -1807,7 +1817,7 @@
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@@ -1818,7 +1828,7 @@
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@@ -1838,7 +1848,7 @@
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@@ -1849,7 +1859,7 @@
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@@ -1892,7 +1902,7 @@
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-   "id": "6ecbc668",
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@@ -1907,7 +1917,7 @@
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@@ -1936,7 +1946,7 @@
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@@ -1961,7 +1971,7 @@
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@@ -1981,7 +1991,7 @@
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@@ -2008,7 +2018,7 @@
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@@ -2021,7 +2031,7 @@
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@@ -2033,7 +2043,7 @@
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@@ -2044,7 +2054,7 @@
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@@ -2060,7 +2070,7 @@
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-   "id": "f8b0277d",
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@@ -2094,7 +2104,7 @@
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@@ -2104,7 +2114,7 @@
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@@ -2119,7 +2129,7 @@
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@@ -2131,7 +2141,7 @@
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@@ -2141,7 +2151,7 @@
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@@ -2157,7 +2167,7 @@
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@@ -2174,7 +2184,7 @@
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@@ -2187,7 +2197,7 @@
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@@ -2234,7 +2244,7 @@
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@@ -2245,7 +2255,7 @@
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@@ -2348,7 +2358,7 @@
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@@ -2362,7 +2372,7 @@
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@@ -2374,7 +2384,7 @@
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@@ -2386,7 +2396,7 @@
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@@ -2398,7 +2408,7 @@
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@@ -2408,7 +2418,7 @@
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@@ -2420,7 +2430,7 @@
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@@ -2430,7 +2440,7 @@
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@@ -2442,7 +2452,7 @@
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@@ -2453,7 +2463,7 @@
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@@ -2465,7 +2475,7 @@
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@@ -2477,7 +2487,7 @@
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@@ -2487,7 +2497,7 @@
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@@ -2499,7 +2509,7 @@
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@@ -2511,7 +2521,7 @@
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@@ -2521,7 +2531,7 @@
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@@ -2533,7 +2543,7 @@
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@@ -2543,7 +2553,7 @@
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@@ -2555,7 +2565,7 @@
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@@ -2565,7 +2575,7 @@
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@@ -2605,7 +2615,7 @@
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@@ -2622,7 +2632,7 @@
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@@ -2645,7 +2655,7 @@
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@@ -2662,7 +2672,7 @@
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@@ -2681,7 +2691,7 @@
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@@ -2692,7 +2702,7 @@
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@@ -2704,7 +2714,7 @@
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@@ -2722,7 +2732,7 @@
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@@ -2738,7 +2748,7 @@
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@@ -2750,7 +2760,7 @@
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@@ -2760,7 +2770,7 @@
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@@ -2775,7 +2785,7 @@
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@@ -2787,7 +2797,7 @@
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@@ -2797,7 +2807,7 @@
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@@ -2809,7 +2819,7 @@
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@@ -2819,7 +2829,7 @@
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@@ -2831,7 +2841,7 @@
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@@ -2843,7 +2853,7 @@
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@@ -2858,7 +2868,7 @@
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@@ -2869,7 +2879,7 @@
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@@ -2889,7 +2899,7 @@
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@@ -2901,7 +2911,7 @@
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@@ -2911,7 +2921,7 @@
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@@ -2923,7 +2933,7 @@
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@@ -2952,7 +2962,7 @@
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@@ -2979,7 +2989,7 @@
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@@ -2990,7 +3000,7 @@
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@@ -3030,7 +3040,7 @@
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@@ -3047,7 +3057,7 @@
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@@ -3070,7 +3080,7 @@
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@@ -3080,7 +3090,7 @@
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@@ -3094,7 +3104,7 @@
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@@ -3113,7 +3123,7 @@
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@@ -3123,7 +3133,7 @@
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@@ -3135,7 +3145,7 @@
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@@ -3149,7 +3159,7 @@
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@@ -3161,7 +3171,7 @@
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@@ -3171,7 +3181,7 @@
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@@ -3183,7 +3193,7 @@
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@@ -3200,7 +3210,7 @@
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@@ -3210,7 +3220,7 @@
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@@ -3226,7 +3236,7 @@
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@@ -3236,7 +3246,7 @@
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@@ -3252,7 +3262,7 @@
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@@ -3262,7 +3272,7 @@
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@@ -3278,7 +3288,7 @@
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@@ -3288,7 +3298,7 @@
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@@ -3305,7 +3315,7 @@
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@@ -3317,7 +3327,7 @@
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@@ -3329,7 +3339,7 @@
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@@ -3341,7 +3351,7 @@
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@@ -3351,7 +3361,7 @@
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@@ -3363,7 +3373,7 @@
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@@ -3375,7 +3385,7 @@
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@@ -3387,7 +3397,7 @@
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@@ -3397,7 +3407,7 @@
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@@ -3409,7 +3419,7 @@
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@@ -3419,7 +3429,7 @@
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@@ -3431,7 +3441,7 @@
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@@ -3441,7 +3451,7 @@
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@@ -3453,7 +3463,7 @@
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@@ -3463,7 +3473,7 @@
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@@ -3475,7 +3485,7 @@
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@@ -3487,7 +3497,7 @@
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@@ -3499,7 +3509,7 @@
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@@ -3511,7 +3521,7 @@
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@@ -3521,7 +3531,7 @@
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@@ -3533,7 +3543,7 @@
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@@ -3544,7 +3554,7 @@
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@@ -3556,7 +3566,7 @@
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@@ -3566,7 +3576,7 @@
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@@ -3578,7 +3588,7 @@
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@@ -3588,7 +3598,7 @@
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@@ -3600,7 +3610,7 @@
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@@ -3611,7 +3621,7 @@
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@@ -3623,7 +3633,7 @@
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@@ -3641,7 +3651,7 @@
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@@ -3657,7 +3667,7 @@
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@@ -3669,7 +3679,7 @@
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@@ -3681,7 +3691,7 @@
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@@ -3693,7 +3703,7 @@
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@@ -3706,7 +3716,7 @@
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@@ -3722,7 +3732,7 @@
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@@ -3736,7 +3746,7 @@
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@@ -3746,7 +3756,7 @@
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@@ -3758,7 +3768,7 @@
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@@ -3768,7 +3778,7 @@
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@@ -3780,7 +3790,7 @@
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@@ -3790,7 +3800,7 @@
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@@ -3804,7 +3814,7 @@
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@@ -3821,7 +3831,7 @@
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@@ -3837,7 +3847,7 @@
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@@ -3849,7 +3859,7 @@
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@@ -3862,7 +3872,7 @@
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@@ -3876,7 +3886,7 @@
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@@ -3886,7 +3896,7 @@
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@@ -3899,7 +3909,7 @@
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@@ -3918,7 +3928,7 @@
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@@ -3930,7 +3940,7 @@
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@@ -3942,7 +3952,7 @@
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@@ -3952,7 +3962,7 @@
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@@ -3964,7 +3974,7 @@
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@@ -3977,7 +3987,7 @@
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@@ -3996,7 +4006,7 @@
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@@ -4006,7 +4016,7 @@
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@@ -4025,7 +4035,7 @@
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@@ -4043,7 +4053,7 @@
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@@ -4057,7 +4067,7 @@
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@@ -4072,7 +4082,7 @@
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-   "id": "5556c227",
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@@ -4093,7 +4103,7 @@
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@@ -4110,7 +4120,7 @@
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@@ -4142,7 +4152,7 @@
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@@ -4156,7 +4166,7 @@
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@@ -4169,7 +4179,7 @@
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@@ -4194,7 +4204,7 @@
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@@ -4204,7 +4214,7 @@
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@@ -4215,7 +4225,7 @@
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@@ -4269,7 +4279,7 @@
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@@ -4286,7 +4296,7 @@
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@@ -4298,7 +4308,7 @@
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@@ -4310,7 +4320,7 @@
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@@ -4320,7 +4330,7 @@
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@@ -4337,7 +4347,7 @@
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@@ -4347,7 +4357,7 @@
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@@ -4362,7 +4372,7 @@
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@@ -4372,7 +4382,7 @@
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@@ -4386,7 +4396,7 @@
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@@ -4398,7 +4408,7 @@
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@@ -4410,7 +4420,7 @@
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@@ -4422,7 +4432,7 @@
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@@ -4432,7 +4442,7 @@
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@@ -4444,7 +4454,7 @@
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@@ -4454,7 +4464,7 @@
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@@ -4471,7 +4481,7 @@
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@@ -4481,7 +4491,7 @@
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@@ -4493,7 +4503,7 @@
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@@ -4503,7 +4513,7 @@
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@@ -4515,7 +4525,7 @@
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@@ -4529,7 +4539,7 @@
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@@ -4541,7 +4551,7 @@
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@@ -4563,7 +4573,7 @@
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@@ -4575,7 +4585,7 @@
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@@ -4590,7 +4600,7 @@
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@@ -4602,7 +4612,7 @@
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@@ -4614,7 +4624,7 @@
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@@ -4624,7 +4634,7 @@
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@@ -4636,7 +4646,7 @@
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@@ -4646,7 +4656,7 @@
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@@ -4658,7 +4668,7 @@
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@@ -4668,7 +4678,7 @@
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@@ -4680,7 +4690,7 @@
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@@ -4697,7 +4707,7 @@
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@@ -4710,7 +4720,7 @@
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@@ -4722,7 +4732,7 @@
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@@ -4732,7 +4742,7 @@
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@@ -4745,7 +4755,7 @@
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@@ -4755,7 +4765,7 @@
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@@ -4767,7 +4777,7 @@
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@@ -4780,7 +4790,7 @@
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@@ -4793,7 +4803,7 @@
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@@ -4805,7 +4815,7 @@
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@@ -4817,7 +4827,7 @@
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@@ -4827,7 +4837,7 @@
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@@ -4840,7 +4850,7 @@
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@@ -4852,7 +4862,7 @@
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@@ -4864,7 +4874,7 @@
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@@ -4876,7 +4886,7 @@
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@@ -4888,7 +4898,7 @@
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@@ -4902,7 +4912,7 @@
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@@ -4914,7 +4924,7 @@
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@@ -4924,7 +4934,7 @@
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@@ -4936,7 +4946,7 @@
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@@ -4948,7 +4958,7 @@
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@@ -4960,7 +4970,7 @@
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@@ -4972,7 +4982,7 @@
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@@ -4984,7 +4994,7 @@
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@@ -5003,7 +5013,7 @@
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@@ -5015,7 +5025,7 @@
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@@ -5025,7 +5035,7 @@
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@@ -5037,7 +5047,7 @@
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@@ -5047,7 +5057,7 @@
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@@ -5059,7 +5069,7 @@
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@@ -5071,7 +5081,7 @@
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@@ -5087,7 +5097,7 @@
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@@ -5099,7 +5109,7 @@
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@@ -5111,7 +5121,7 @@
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@@ -5121,7 +5131,7 @@
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@@ -5133,7 +5143,7 @@
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@@ -5143,7 +5153,7 @@
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@@ -5155,7 +5165,7 @@
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@@ -5172,7 +5182,7 @@
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@@ -5184,7 +5194,7 @@
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@@ -5196,7 +5206,7 @@
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@@ -5206,7 +5216,7 @@
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@@ -5218,7 +5228,7 @@
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@@ -5228,7 +5238,7 @@
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@@ -5240,7 +5250,7 @@
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@@ -5250,7 +5260,7 @@
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@@ -5262,7 +5272,7 @@
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@@ -5272,7 +5282,7 @@
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@@ -5284,7 +5294,7 @@
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@@ -5353,7 +5363,7 @@
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@@ -5367,7 +5377,7 @@
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@@ -5380,7 +5390,7 @@
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@@ -5394,7 +5404,7 @@
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@@ -5407,7 +5417,7 @@
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@@ -5418,7 +5428,7 @@
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@@ -5430,7 +5440,7 @@
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@@ -5440,7 +5450,7 @@
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@@ -5452,7 +5462,7 @@
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@@ -5468,7 +5478,7 @@
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@@ -5519,7 +5529,7 @@
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@@ -5529,7 +5539,7 @@
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-   "id": "4ddc7e09",
+   "id": "23d3ca29",
    "metadata": {
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    },
@@ -5575,7 +5585,7 @@
   {
    "cell_type": "code",
    "execution_count": 33,
-   "id": "e80fc47a",
+   "id": "935f468a",
    "metadata": {
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     "editable": true
@@ -5588,7 +5598,7 @@
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   {
    "cell_type": "markdown",
-   "id": "8c75ef29",
+   "id": "db93b38b",
    "metadata": {
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@@ -5599,7 +5609,7 @@
   {
    "cell_type": "code",
    "execution_count": 34,
-   "id": "01f1bfab",
+   "id": "7ddc1ebd",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -5614,7 +5624,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f1ef3dab",
+   "id": "0ad222ec",
    "metadata": {
     "editable": true
    },
@@ -5632,7 +5642,7 @@
   {
    "cell_type": "code",
    "execution_count": 35,
-   "id": "ca53d9ad",
+   "id": "d76c2705",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -5649,7 +5659,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "74ed2c43",
+   "id": "88e92bb0",
    "metadata": {
     "editable": true
    },
@@ -5659,7 +5669,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a331510a",
+   "id": "d652c015",
    "metadata": {
     "editable": true
    },
@@ -5670,7 +5680,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e5eadb05",
+   "id": "c6b2080b",
    "metadata": {
     "editable": true
    },
@@ -5681,7 +5691,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "9185a7dd",
+   "id": "1f93fbf0",
    "metadata": {
     "editable": true
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@@ -5692,7 +5702,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3873adb3",
+   "id": "d5d59e9d",
    "metadata": {
     "editable": true
    },
@@ -5715,7 +5725,7 @@
   {
    "cell_type": "code",
    "execution_count": 36,
-   "id": "179044bf",
+   "id": "437efab5",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -5728,7 +5738,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7609f754",
+   "id": "e2665247",
    "metadata": {
     "editable": true
    },
@@ -5743,7 +5753,7 @@
   {
    "cell_type": "code",
    "execution_count": 37,
-   "id": "194d39f5",
+   "id": "648cbb86",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -5823,7 +5833,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "2935affa",
+   "id": "bb7930ec",
    "metadata": {
     "editable": true
    },
@@ -5838,7 +5848,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e839cdf7",
+   "id": "2159db71",
    "metadata": {
     "editable": true
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@@ -5851,7 +5861,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "aa5a94e2",
+   "id": "d9bb1429",
    "metadata": {
     "editable": true
    },
@@ -5862,7 +5872,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1541b94c",
+   "id": "b833546b",
    "metadata": {
     "editable": true
    },
@@ -5874,7 +5884,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "edb3c8ab",
+   "id": "3a654872",
    "metadata": {
     "editable": true
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@@ -5884,7 +5894,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "57b837b7",
+   "id": "6f31d9e2",
    "metadata": {
     "editable": true
    },
@@ -5896,7 +5906,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e15f4102",
+   "id": "c323b67f",
    "metadata": {
     "editable": true
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@@ -5906,7 +5916,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5df98584",
+   "id": "12c44692",
    "metadata": {
     "editable": true
    },
@@ -5928,7 +5938,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "16698b55",
+   "id": "c5587d68",
    "metadata": {
     "editable": true
    },
@@ -5940,7 +5950,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "82d7db33",
+   "id": "b492c983",
    "metadata": {
     "editable": true
    },
@@ -5950,7 +5960,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d88b0885",
+   "id": "e43d7889",
    "metadata": {
     "editable": true
    },
@@ -5962,7 +5972,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "81975a62",
+   "id": "4b6775ee",
    "metadata": {
     "editable": true
    },
@@ -5972,7 +5982,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7418ccdf",
+   "id": "b8fe4b9c",
    "metadata": {
     "editable": true
    },
@@ -5984,7 +5994,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0213089d",
+   "id": "755757b9",
    "metadata": {
     "editable": true
    },
@@ -5997,7 +6007,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4108be53",
+   "id": "c82bb331",
    "metadata": {
     "editable": true
    },
@@ -6009,7 +6019,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "caa1ed15",
+   "id": "2212f891",
    "metadata": {
     "editable": true
    },
@@ -6019,7 +6029,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5f47dda5",
+   "id": "880fe5f9",
    "metadata": {
     "editable": true
    },
@@ -6031,7 +6041,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "cca595e8",
+   "id": "e146650c",
    "metadata": {
     "editable": true
    },
@@ -6041,7 +6051,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7927ee52",
+   "id": "848282a1",
    "metadata": {
     "editable": true
    },
@@ -6053,7 +6063,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "110237d1",
+   "id": "27b79219",
    "metadata": {
     "editable": true
    },
@@ -6063,7 +6073,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b995bf7b",
+   "id": "79692b71",
    "metadata": {
     "editable": true
    },
diff --git a/doc/src/week35/week35.do.txt b/doc/src/week35/week35.do.txt
index 5720003da..9f19bf8b2 100644
--- a/doc/src/week35/week35.do.txt
+++ b/doc/src/week35/week35.do.txt
@@ -516,6 +516,10 @@ matrices as upper case boldfaced letters.
 \]
 !et
 
+See the jupyter-book (complete lecture notes) for the derivations of these relations.
+
+
+
 !split
 ===== Meet the Hessian Matrix =====