data/cycle/graph_structure/hard/graph1005.txt

26 27
0 24
23 4
17 12
11 5
24 25
11 8
1 16
20 2
18 21
0 19
7 15
4 16
19 11
14 0
24 4
8 3
1 0
18 16
6 18
10 9
0 7
13 9
12 11
10 3
22 3
13 2
2 0