data/cycle/graph_structure/hard/graph1013.txt

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