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