diff --git a/example/dots/example1FH1rZ.svg b/example/dots/example1FH1rZ.svg
new file mode 100644
index 0000000..e7111f1
--- /dev/null
+++ b/example/dots/example1FH1rZ.svg
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.43.0 (0)
+ -->
+<!-- Title: G Pages: 1 -->
+<svg width="431pt" height="44pt"
+ viewBox="0.00 0.00 431.16 44.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 40)">
+<title>G</title>
+<polygon fill="white" stroke="transparent" points="-4,4 -4,-40 427.16,-40 427.16,4 -4,4"/>
+<!-- node0 -->
+<g id="node1" class="node">
+<title>node0</title>
+<ellipse fill="none" stroke="black" cx="378.16" cy="-18" rx="27" ry="18"/>
+<text text-anchor="middle" x="378.16" y="-14.3" font-family="Times-Roman" font-size="14.00">c</text>
+</g>
+<!-- node0&#45;&gt;node0 -->
+<g id="edge1" class="edge">
+<title>node0&#45;&gt;node0</title>
+<path fill="none" stroke="black" d="M403.61,-24.69C414.19,-25.15 423.16,-22.92 423.16,-18 423.16,-13.08 414.19,-10.85 403.61,-11.31"/>
+</g>
+<!-- node1 -->
+<g id="node2" class="node">
+<title>node1</title>
+<ellipse fill="none" stroke="black" cx="210.56" cy="-18" rx="27" ry="18"/>
+<text text-anchor="middle" x="210.56" y="-14.3" font-family="Times-Roman" font-size="14.00">b</text>
+</g>
+<!-- node0&#45;&gt;node1 -->
+<g id="edge3" class="edge">
+<title>node0&#45;&gt;node1</title>
+<path fill="none" stroke="black" d="M350.86,-18C322.78,-18 278.85,-18 247.63,-18"/>
+<polygon fill="black" stroke="black" points="247.57,-14.5 237.57,-18 247.57,-21.5 247.57,-14.5"/>
+</g>
+<!-- node2 -->
+<g id="node3" class="node">
+<title>node2</title>
+<ellipse fill="none" stroke="black" cx="27" cy="-18" rx="27" ry="18"/>
+<text text-anchor="middle" x="27" y="-14.3" font-family="Times-Roman" font-size="14.00">a</text>
+</g>
+<!-- node1&#45;&gt;node2 -->
+<g id="edge2" class="edge">
+<title>node1&#45;&gt;node2</title>
+<path fill="none" stroke="black" d="M183.48,-18C148.77,-18 88.96,-18 54.2,-18"/>
+</g>
+</g>
+</svg>