digraph st { "0 m:_ sub:Start" -> "5 m:_ sub:Start";
"5 m:_ sub:Start" -> "1 m:CharMatcher('x') sub:";
"1 m:CharMatcher('x') sub:" -> "2 m:_ sub:";
"2 m:_ sub:" -> "1 m:CharMatcher('x') sub:";
"2 m:_ sub:" -> "3 m:CharMatcher('x') sub:";
"3 m:CharMatcher('x') sub:" -> "4 m:_ sub:";
"4 m:_ sub:" -> "3 m:CharMatcher('x') sub:";
"4 m:_ sub:" -> "6 m:_ sub:End";
"6 m:_ sub:End" -> "7 m:_ sub:";
"7 m:_ sub:" -> "5 m:_ sub:Start";
"7 m:_ sub:" -> "8 m:CharMatcher('y') sub:";
"8 m:CharMatcher('y') sub:" -> "9 m:_ sub:End";
 }