data/cycle/graph_structure/hard/graph1039.txt

26 29
18 0
14 15
2 7
0 4
0 3
23 11
19 18
21 8
6 14
3 18
0 6
2 10
4 13
13 1
11 1
1 0
17 15
25 20
12 13
4 25
1 5
7 23
10 15
22 5
8 20
1 9
15 16
0 2
24 16