data/shortest_path/graph_structure/hard/graph1012.txt

19 31
17 0 5
0 16 9
2 0 3
13 0 3
0 15 5
1 14 10
6 1 5
2 11 9
6 2 7
14 3 3
4 3 5
3 6 1
9 4 10
4 7 9
5 4 7
11 5 9
14 5 6
8 5 4
11 6 3
12 6 7
7 6 6
7 8 2
7 10 6
7 18 7
8 17 8
8 13 6
10 8 4
17 10 8
12 10 3
18 14 1
15 17 3
16 9