1 files changed, 77 insertions, 0 deletions
diff --git a/images/dirty.svg b/images/dirty.svg
new file mode 100644
index 0000000..4e8e76f
--- /dev/null
+++ b/images/dirty.svg
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+    xmlns="http://www.w3.org/2000/svg"
+    xmlns:xlink="http://www.w3.org/1999/xlink"
+    version="1.1"
+    viewBox="-10 -10 220 220"
+    height="100mm"
+    width="100mm">
+  <g stroke="black" stroke-width="0.7">
+    <rect x="0" y="0" width="100" height="200" fill="none" rx="5" />
+    <g fill="yellow" fill-opacity="0.2" stroke-width="0.5">
+      <g fill="none">
+	<rect x="140" y="160" width="10" height="10" />
+      </g>
+      <g fill="blue">
+	<rect x="0" y="20" width="100" height="100" />
+	<rect x="140" y="175" width="10" height="10" />
+      </g>
+      <rect x="80" y="120" width="20" height="20" />
+      <rect x="20" y="140" width="20" height="20" />
+      <rect x="60" y="160" width="20" height="20" />
+      <rect x="40" y="180" width="20" height="20" />
+      <rect x="140" y="190" width="10" height="10" />
+    </g>
+  </g>
+  <g stroke="black" stroke-width="0.3">
+    <line x1="110" x2="110" y1="0" y2="20" />
+    <line x1="118" x2="118" y1="20" y2="120" />
+    <line x1="110" x2="110" y1="120" y2="200" />
+    <g stroke-dasharray="4">
+      <line x1="100" x2="116" y1="0" y2="0" />
+      <line x1="100" x2="124" y1="20" y2="20" />
+      <line x1="100" x2="124" y1="120" y2="120" />
+      <line x1="100" x2="116" y1="200" y2="200" />
+    </g>
+  </g>
+  <g stroke="black" stroke-width="0.1">
+    <!-- The grid -->
+    <line x1="20" x2="20" y1="0" y2="200" />
+    <line x1="40" x2="40" y1="0" y2="200" />
+    <line x1="60" x2="60" y1="0" y2="200" />
+    <line x1="80" x2="80" y1="0" y2="200" />
+    <line x1="0" x2="100" y1="20" y2="20" />
+    <line x1="0" x2="100" y1="40" y2="40" />
+    <line x1="0" x2="100" y1="60" y2="60" />
+    <line x1="0" x2="100" y1="80" y2="80" />
+    <line x1="0" x2="100" y1="100" y2="100" />
+    <line x1="0" x2="100" y1="120" y2="120" />
+    <line x1="0" x2="100" y1="140" y2="140" />
+    <line x1="0" x2="100" y1="160" y2="160" />
+    <line x1="0" x2="100" y1="180" y2="180" />
+  </g>
+  <g stroke="black" stroke-width="0.7">
+    <line x1="130" x2="130" y1="150" y2="220" />
+    <line x1="130" x2="220" y1="150" y2="150" />
+  </g>
+  <g font-size="6px" font-family="serif">
+    <text x="125" y="14">
+      variables non pertinentes
+    </text>
+    <text x="125" y="70">
+      variables communes
+    </text>
+    <text x="125" y="135">
+      variables différenciantes
+    </text>
+    <text x="155" y="168">
+      $P = 0$, $Q = 0$
+    </text>
+    <text x="155" y="183">
+      $P = 0$, $Q \neq 0$
+    </text>
+    <text x="155" y="198">
+      $P \neq 0$, $Q = 0$
+    </text>
+  </g>
+</svg>