data/flow/graph_structure/easy/graph122.txt

7 19
0 2 2
0 3 1
0 6 10
0 5 8
1 2 1
1 0 6
1 6 7
2 3 7
2 5 4
3 5 1
3 4 7
4 2 5
4 1 6
4 0 4
4 6 9
5 1 9
5 6 6
6 5 6
6 4 2
1 2
6