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Finite Automaton

This is a drawing of a finite automaton. The rankdir and orientation request a left-to-right drawing in landscape mode. Note the use of text labels on edges.

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digraph finite_state_machine {
	rankdir=LR;
	size="8,5"
	node [shape = doublecircle]; LR_0 LR_3 LR_4 LR_8;
	node [shape = circle];
	LR_0 -> LR_2 [ label = "SS(B)" ];
	LR_0 -> LR_1 [ label = "SS(S)" ];
	LR_1 -> LR_3 [ label = "S($end)" ];
	LR_2 -> LR_6 [ label = "SS(b)" ];
	LR_2 -> LR_5 [ label = "SS(a)" ];
	LR_2 -> LR_4 [ label = "S(A)" ];
	LR_5 -> LR_7 [ label = "S(b)" ];
	LR_5 -> LR_5 [ label = "S(a)" ];
	LR_6 -> LR_6 [ label = "S(b)" ];
	LR_6 -> LR_5 [ label = "S(a)" ];
	LR_7 -> LR_8 [ label = "S(b)" ];
	LR_7 -> LR_5 [ label = "S(a)" ];
	LR_8 -> LR_6 [ label = "S(b)" ];
	LR_8 -> LR_5 [ label = "S(a)" ];
}

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