data/connectivity/graph_structure/medium/graph139.txt

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