data/flow/graph_structure/easy/graph117.txt

7 16
1 5 2
1 0 4
2 5 10
2 4 5
2 3 3
2 1 6
2 6 9
3 5 10
3 4 8
3 0 7
4 2 10
4 0 1
5 2 2
5 0 3
5 3 2
6 5 10
2 3
5