digraph example2c { rankdir="LR"; node [texmode="math",shape="circle",style="state"]; edge [texmode="math",lblstyle="auto"]; q0 [style="state,initial",label="0"]; q1 [style="state",label="1"]; q2 [style="state,final",label="2"]; qbot [style="state",label="\bot"]; q0 -> q0 [label="c",topath="loop above"]; q0 -> q1 [label="a"]; q1 -> q1 [label="c",topath="loop above"]; q1 -> q2 [label="b"]; q2 -> q2 [label="c",topath="loop above"]; q0 -> qbot [label="b"]; { rank="same"; q1 -> qbot [label="a"]; } q2 -> qbot [label="a,b"]; qbot -> qbot [label="a,b,c",topath="loop below"]; }