data/cycle/graph_structure/hard/graph1027.txt

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