0
0
2
2
0
0
2
0
2
0
2
0
2
1
2
2
0
2
2
0
2
2
2
2
2
0
2
0
2
2
0
2
0
0
0
2
0
2
2
0
2
2
0
2
2
0
0
2
2
2
2
2
0
2
0
0
2
2
2
0
2
2
2
0
3
0
2
0
2
2
2
2
0
0
0
2
2
2
2
0
2
2
2
2
0
0
2
0
2
2
0
0
0
0
0
2
0
2
0
0
0
2
0
0
2
2
0
2
2
2
0
0
2
2
0
2
2
0
0
0
2
0
0
0
4
2
0
0
0
0
0
2
2
3
2
3
0
0
2
2
0
0
2
2
0
2
2
0
2
2
2
2
0
2
4
2
2
2
2
0
0
0
2
2
2
2
2
2
2
2
2
2
2
0
2
0
4
2
2
0
0
4
2
0
2
2
2
2
2
0
0
2
2
2
0
0
0
2
2
2
2
2
2
2
0
0
2
0
0
2
0
2
0
2
2
0
2
0
2
4
2
4
2
2
2
0
0
0
2
2
2
2
4
0
0
3
2
0
2
2
0
0
2
2
0
2
2
0
0
2
2
0
0
0
0
0
2
0
2
2
2
0
0
0
0
0
4
2
2
2
2
2
2
0
0
0
0
2
0
2
0
0
2
2
0
0
0
1
