digraph example5 { rankdir="LR"; node [texmode="math",shape="circle",style="state"]; q0 [style="state,initial",label="0"]; q1 [style="state",label="1"]; q2 [style="state,final",label="2"]; edge [texmode="math",lblstyle="auto"]; q0 -> q0 [label="a",topath="loop above"]; q0 -> q1 [label="e",texlbl="$\varepsilon$"]; q1 -> q1 [label="b",topath="loop above"]; q1 -> q2 [label="e",texlbl="$\varepsilon$"]; q2 -> q2 [label="c",topath="loop above"]; }