data/cycle/graph_structure/hard/graph101.txt

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