data/shortest_path/graph_structure/hard/graph1031.txt

19 34
14 0 10
0 12 1
0 15 8
1 9 6
6 1 2
1 7 5
2 8 9
11 2 2
2 18 1
15 2 2
3 10 7
3 13 8
3 6 2
12 3 7
4 17 10
15 4 2
5 18 3
12 5 3
13 6 5
6 12 10
8 18 10
9 14 4
16 10 1
17 10 4
11 16 8
13 11 8
12 13 9
13 17 1
13 14 4
14 16 4
17 14 6
14 15 6
16 15 9
17 16 8
8 7