digraph flow2 {
	1 -> 2 [label=14];
	1 -> 4 [label=23];
	2 -> 3 [label=10];
	2 -> 4 [label=9];
	3 -> 5 [label=12];
	3 -> 8 [label=18];
	4 -> 5 [label=26];
	5 -> 2 [label=11];
	5 -> 6 [label=25];
	5 -> 7 [label=4];
	6 -> 7 [label=7];
	6 -> 8 [label=8];
	7 -> 9 [label=15];
	8 -> 9 [label=20];
}