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 @@
+
+
+
+
+
diff --git a/example/dots/exampleHc023j.svg b/example/dots/exampleHc023j.svg
index 05d4020..c613c00 100644
--- a/example/dots/exampleHc023j.svg
+++ b/example/dots/exampleHc023j.svg
@@ -130,7 +130,7 @@
node4->node4
-{c}{b}
+{b}{c}
diff --git a/example/dots/examplePIN5ac.svg b/example/dots/examplePIN5ac.svg
index 7b10d04..cac11b3 100644
--- a/example/dots/examplePIN5ac.svg
+++ b/example/dots/examplePIN5ac.svg
@@ -4,42 +4,80 @@
-