data/shortest_path/graph_structure/hard/graph1021.txt

19 40
12 0 1
16 0 10
11 0 1
0 2 10
9 0 4
0 18 6
1 6 4
1 16 8
1 2 4
15 2 1
2 5 10
2 16 1
2 8 2
7 3 7
12 3 9
16 3 7
3 4 5
11 4 2
4 14 5
8 4 3
18 4 7
5 18 5
10 6 7
6 8 2
7 10 8
7 9 2
7 17 6
8 7 8
13 9 3
16 9 9
9 11 9
15 11 5
12 11 8
11 16 7
13 17 3
13 18 6
14 15 3
16 15 4
15 17 10
18 17 8
0 14