digraph {
	fake [style=invisible]
	0 [root=true shape=doublecircle]
	fake -> 0 [style=bold]
	0 -> 0 [label="{B, A}"]
	0 -> 0 [label="{A}"]
	0 -> 0 [label="{C, B, A}"]
	0 -> 0 [label="{C, A}"]
	label="always
G A"
	fontsize=20
}
