directed
17
1 2 4
1 3 50
1 15 49
1 17 35
2 17 62
3 4 15
3 8 20
3 11 43
4 15 2
4 14 11
5 12 16
5 17 7
5 16 9
5 6 20
6 10 14
6 11 8
6 12 18
7 8 14
8 9 5
8 17 56
9 7 10
9 12 61
9 13 11
9 14 22
10 9 40
10 11 53
10 17 23
11 7 44
11 16 54
14 15 12
16 17 19