carnival-ex.dot

digraph {
A->B [penwidth=1, color=black, arrowhead="vee"]
A->C [penwidth=1, color=black, arrowhead="tee"]
B->C [penwidth=1, color=black, arrowhead="tee"]
E->D [penwidth=1, color=black, arrowhead="tee"]
D->F [penwidth=1, color=black, arrowhead="vee"]
C->G [penwidth=1, color=black, arrowhead="vee"]
E->G [penwidth=1, color=black, arrowhead="vee"]
A [style=filled, color=blue, fillcolor=lavender, shape=doublecircle];
B [style=filled, color=blue, fillcolor=lavender];
C [style=filled, color=red, fillcolor=mistyrose];
D [style=filled, color=blue, fillcolor=lavender];
E [style=filled, color=red, fillcolor=mistyrose, shape=doublecircle];
F [style=filled, color=blue, fillcolor=lavender, shape=doublecircle];
G [style=filled, color=red, fillcolor=mistyrose, shape=doublecircle];
}