data/flow/graph_structure/easy/graph100.txt

7 21
0 6 3
0 1 4
0 4 7
0 5 2
1 6 8
1 0 6
1 4 9
2 6 7
2 0 5
2 3 5
3 4 2
3 5 1
4 6 7
4 3 6
5 0 9
5 1 6
5 4 2
6 0 10
6 3 7
6 2 2
6 1 9
0 3
15