new file mode 100644

@@ -0,0 +1,34 @@

+digraph G {

+  subgraph cluster0 {

+    fillcolor="blue:red"

+	style="filled,rounded"

+    0

+  }

+  subgraph cluster1 {

+    peripheries=0

+    fillcolor="blue:red"

+	style=filled

+    1

+  }

+  subgraph cluster2 {

+    fillcolor="blue"

+	style=filled

+    2

+  }

+  subgraph cluster3 {

+    peripheries=0

+    fillcolor="red"

+	style="filled,rounded"

+    3

+  }

+  subgraph cluster4 {

+    peripheries=0

+    bgcolor="red:blue"

+    4

+  }

+  subgraph cluster5 {

+    bgcolor="red:blue"

+    5

+  }

+  0 -> 1 -> 2 -> 3 -> 4

+}