data/cycle/graph_structure/hard/graph1035.txt

26 28
6 12
21 20
22 11
4 7
24 15
10 6
4 9
22 15
13 1
2 4
12 8
25 12
1 2
12 19
5 11
16 6
15 18
14 0
17 16
6 18
0 1
25 7
14 23
12 14
2 0
0 3
0 20
3 7