data/gnn/graph_structure/hard/graph121.txt

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