digraph {
rankdir=LR
in [shape=point style=invis]
0 [color=yellow label="0"]
1 [label="1"]
2 [color=green shape=doublecircle label="2\np=0\nac=0"]
3 [label="3"]
4 [label="4"]
5 [label="5"]
6 [label="6"]
7 [label="7"]
8 [color=green shape=doublecircle label="8\np=1\nac=1"]
1 -> 2 [label="a"]
4 -> 5 [label="a"]
6 -> 7 [label="b"]
0 -> 1 [label="ε"]
0 -> 3 [label="ε"]
3 -> 4 [label="ε"]
3 -> 6 [label="ε"]
5 -> 8 [label="ε"]
7 -> 8 [label="ε"]
in -> 0
}