data/shortest_path/graph_structure/hard/graph1016.txt

19 30
0 12 4
0 16 2
0 9 2
1 8 2
12 1 3
1 18 5
1 6 3
2 11 6
18 2 9
2 7 2
17 3 9
3 10 9
8 4 7
5 14 7
13 6 2
6 18 9
6 7 1
12 7 9
18 7 6
8 11 7
8 13 8
12 9 9
10 13 1
15 10 7
16 11 4
14 12 9
18 12 10
17 13 2
17 16 5
17 18 1
5 15