digraph g {

	s0 [shape="circle" label="0"];
	s1 [shape="circle" label="1"];
	s2 [shape="circle" label="2"];
	s0 -> s0 [modality="MAY" contract="NONE" style="dashed" label="a"];
	s0 -> s1 [modality="MUST" color="red" contract="RED" label="b"];
	s0 -> s2 [modality="MAY" color="green" contract="GREEN" style="dashed" label="c"];
	s1 -> s0 [modality="MUST" color="red" contract="RED" label="a"];
	s1 -> s1 [modality="MAY" contract="NONE" style="dashed" label="b"];
	s1 -> s2 [modality="MUST" color="green" contract="GREEN" label="c"];
	s2 -> s0 [modality="MAY" color="green" contract="GREEN" style="dashed" label="a"];
	s2 -> s1 [modality="MUST" color="red" contract="RED" label="b"];
	s2 -> s2 [modality="MAY" contract="NONE" style="dashed" label="c"];

__start0 [label="" shape="none" width="0" height="0"];
__start0 -> s0;

}
