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