प्रयोग:Janmejay2

<graphviz> digraph G {

subgraph cluster_0 { style=filled; color=lightgrey; node [style=filled,color=white]; a0 -> a1 -> a2 -> a3; label = "process #1"; }

subgraph cluster_1 { node [style=filled]; b0 -> b1 -> b2 -> b3; label = "process #2"; color=blue } start -> a0; start -> b0; a1 -> b3; b2 -> a3; a3 -> a0; a3 -> end; b3 -> end;

start [shape=Mdiamond]; end [shape=Msquare]; }

</graphviz>