data/gnn/graph_structure/hard/graph1.txt

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