data/cycle/graph_structure/hard/graph1019.txt

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