data/shortest_path/graph_structure/hard/graph1017.txt

19 33
0 6 7
8 0 6
9 0 1
0 4 2
8 1 6
10 1 9
17 1 4
18 1 1
4 2 5
2 14 9
7 2 7
11 2 5
12 3 1
17 4 7
13 4 3
12 4 4
15 4 6
9 5 2
11 5 5
17 6 4
6 13 5
16 6 5
7 12 3
18 7 4
17 8 10
13 8 5
8 16 5
11 8 1
13 10 3
11 12 8
12 18 4
13 17 1
16 14 5
8 7