digraph RKMachine_3 {
  s0Up -> s1Up [label="a/0"]
  s0Up -> s0Dn [label="b/0"]
  s1Up -> s2Up [label="a/1"]
  s1Up -> s1Dn [label="b/0"]
  s2Up -> s0Up [label="a/2"]
  s2Up -> s2Dn [label="b/0"]
  s0Dn -> s2Dn [label="a/0"]
  s0Dn -> s0Up [label="b/0"]
  s1Dn -> s0Dn [label="a/1"]
  s1Dn -> s1Up [label="b/0"]
  s2Dn -> s1Dn [label="a/2"]
  s2Dn -> s2Up [label="b/0"]
}