4
4
0
2
2
0
4
0
0
3
2
0
0
2
2
4
0
4
0
0
0
2
2
4
2
0
0
2
0
0
2
0
2
4
2
2
6
2
2
0
10
6
4
2
0
0
2
0
4
0
7
0
0
4
0
3
0
2
1
0
0
2
2
0
7
0
0
6
2
2
2
2
4
0
2
0
2
0
2
2
2
0
2
2
2
4
2
0
2
4
9
2
2
0
0
0
0
4
11
0
2
2
0
2
7
0
4
0
2
2
4
5
0
2
2
4
0
0
4
2
0
0
3
4
0
2
3
8
2
0
2
4
0
0
0
2
0
2
2
6
0
0
3
0
2
4
0
2
7
0
0
2
4
2
2
2
3
0
6
0
2
3
4
2
2
2
0
4
0
6
2
4
4
2
2
2
0
2
4
0
4
7
4
9
0
2
2
2
2
0
2
4
6
2
2
2
2
0
6
0
5
2
0
2
2
4
0
0
2
0
0
4
2
0
4
2
1
0
2
2
4
2
4
2
0
0
2
0
0
2
0
0
2
4
0
2
0
2
2
2
0
2
4
0
2
6
4
5
2
2
0
2
0
2
0
2
3
0
0
2
0
0
2
0
3
2
0
0
4
2
2
2
2
2
6
0
4
12
0
0
0
4
2
0
2
2
2
4
