digraph example7b { rankdir="LR"; node [texmode="math",shape="circle",style="state"]; q0 [style="state,initial",label="0"]; q2 [style="state",label="2"]; q1 [style="state",label="1"]; q4 [style="state,final",label="4"]; q3 [style="state",label="3"]; q5 [style="state,final",label="5"]; edge [texmode="math",lblstyle="auto"]; q0 -> q0 [label="b",topath="loop above"]; q2 -> q2 [label="a",topath="loop above"]; q4 -> q4 [label="a,b",topath="loop above"]; q1 -> q1 [label="b,c",topath="loop below"]; q3 -> q3 [label="a,c",topath="loop below"]; q5 -> q5 [label="a,b,c",topath="loop below"]; q0 -> q1 [label="c"]; q0 -> q2 [label="a"]; q2 -> q3 [label="c"]; q1 -> q3 [label="a"]; q2 -> q4 [label="b"]; q4 -> q5 [label="c"]; q3 -> q5 [label="b"]; }