data/cycle/graph_structure/hard/graph0.txt

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