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