digraph finite_state_machine {

    	fontname="Helvetica,Arial,sans-serif"

    	node [fontname="Helvetica,Arial,sans-serif"]

    	edge [fontname="Helvetica,Arial,sans-serif"]

    	rankdir=LR;

    	node [shape = circle];

    
 2 -> 4 [label = "12"];
 3 -> 4 [label = "5"];
 3 -> 2 [label = "2"];
 3 -> 1 [label = "11"];
 1 -> 4 [label = "1"];
 1 -> 5 [label = "21"];
 4 -> 5 [label = "14"];
 0 -> 2 [label = "8"];
 0 -> 1 [label = "7"];
 0 -> 3 [label = "15"];
}