data/hamilton/graph_structure/hard/graph126.txt

13 37
5 10
4 7
3 12
6 2
2 10
0 8
7 11
9 6
12 5
4 9
7 2
4 3
3 8
10 12
8 10
11 9
11 2
9 3
10 7
11 12
1 2
4 0
1 3
9 5
1 11
11 8
0 2
0 11
4 1
6 8
12 6
3 10
12 1
5 6
10 9
7 0
8 4