data/cycle/graph_structure/hard/graph102.txt

27 26
26 10
1 23
25 24
0 17
1 14
8 22
21 10
10 3
9 7
19 11
13 23
15 7
2 5
15 11
4 6
16 22
1 16
0 12
6 2
9 4
16 20
25 26
15 22
17 24
19 0
18 3