1 
0 
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
2 1
2 1
4 3
4 3
3 2
3 2
2 1
2 1
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
2 1
2 1
1 0
1 0
6 5
6 5
1 0
1 0
2 1
2 1
20 19
20 19
