data/hamilton/graph_structure/hard/graph10.txt

11 22
0 8
3 7
4 8
7 10
9 8
1 2
2 10
6 8
10 4
7 2
4 0
5 3
0 5
4 9
9 0
5 7
9 10
3 10
2 6
0 3
5 6
1 0