data/shortest_path/graph_structure/hard/graph1010.txt

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