data/hamilton/graph_structure/hard/graph109.txt

12 42
0 2
5 1
8 11
2 4
4 3
9 11
9 7
0 3
9 8
0 6
11 4
3 10
2 7
1 10
2 8
11 3
10 7
9 3
1 8
6 3
5 3
1 0
7 1
10 2
4 8
0 7
8 6
4 0
11 7
10 6
10 9
8 3
5 0
5 11
10 11
1 11
1 3
10 4
6 1
7 8
0 9
5 2