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