1 
0 
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
2 1
2 1
1 0
1 0
1 0
1 0
3 2
3 2
1 0
1 0
13 12
13 12
