/usr/share/doc/graphviz/examples/graphs/directed/nhg.gv is in graphviz-doc 2.36.0-0ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 | digraph automata_0 {
size ="8.5, 11";
node [shape = circle];
0 [ style = filled, color=lightgrey ];
2 [ shape = doublecircle ];
0 -> 2 [ label = "a " ];
0 -> 1 [ label = "other " ];
1 -> 2 [ label = "a " ];
1 -> 1 [ label = "other " ];
2 -> 2 [ label = "a " ];
2 -> 1 [ label = "other " ];
"Machine: a" [ shape = plaintext ];
}
|