data/hamilton/graph_structure/hard/graph138.txt

13 41
3 11
7 11
6 3
2 9
8 3
2 1
2 3
2 12
3 12
0 1
5 6
8 10
7 5
10 0
10 5
2 4
2 8
6 1
6 4
5 11
0 8
6 9
10 2
4 12
9 8
11 8
11 0
2 0
5 12
9 10
5 4
5 2
3 4
10 7
10 6
6 0
8 12
2 7
4 1
9 12
4 9