2
0
2
4
0
2
0
2
2
0
0
4
2
0
0
0
0
2
2
2
2
2
2
2
4
2
0
4
4
2
4
6
4
0
0
2
6
2
2
0
2
0
2
2
0
0
0
8
10
8
4
2
0
0
2
0
0
0
0
13
2
7
6
4
2
0
0
2
4
0
4
2
9
4
0
2
0
2
2
8
4
4
2
0
4
0
0
2
2
4
2
2
2
2
8
0
2
0
2
4
6
11
2
13
2
4
4
10
0
0
2
0
0
0
2
2
2
2
2
2
4
0
6
15
6
6
8
2
2
0
4
4
6
4
6
2
2
2
2
2
0
2
0
2
10
2
8
4
0
0
0
2
2
2
0
2
0
6
2
2
0
4
2
4
6
0
2
0
2
0
2
2
0
2
6
6
6
2
0
2
0
2
0
0
2
0
2
2
2
0
0
0
5
7
0
2
2
0
4
4
0
2
0
4
0
2
2
6
2
4
4
0
0
0
2
0
2
6
0
4
4
2
4
2
0
0
6
0
4
2
0
6
0
2
0
2
0
2
2
3
4
0
0
0
3
2
2
2
0
2
0
0
2
2
2
0
4
0
2
0
0
0
0
2
0
2
0
0
0
2
0
0
2
0
0
0
2
0
0
0
0
0
0
0
0
0
0
2
