0
0
2
2
2
0
0
0
2
2
0
4
0
0
0
2
0
2
0
0
2
0
2
0
2
2
0
0
0
2
0
2
2
4
2
0
2
2
0
0
2
2
0
2
0
0
0
0
2
0
2
0
2
2
2
0
2
2
0
2
0
0
0
0
0
0
2
4
2
4
0
0
0
0
2
0
0
2
0
0
0
4
0
2
0
2
0
2
0
0
0
0
0
0
2
0
0
2
0
2
2
0
2
0
0
2
4
2
2
2
2
0
2
0
2
4
2
0
0
2
2
2
2
0
8
0
0
0
0
0
2
0
2
0
2
2
4
0
2
2
0
0
6
0
2
2
2
0
0
2
2
13
2
2
4
0
0
6
2
2
0
0
0
6
0
2
2
0
2
2
0
6
4
2
0
0
0
2
6
2
2
0
2
2
6
0
0
4
13
2
0
2
2
2
2
4
10
0
0
4
0
0
8
2
2
2
2
2
4
4
0
2
0
2
8
4
2
4
0
2
8
0
2
0
0
0
2
0
0
0
0
0
10
0
2
4
0
2
11
0
2
2
0
0
6
0
0
6
4
0
0
0
2
4
0
0
2
0
2
8
4
4
6
2
4
2
0
0
2
0
2
8
4
0
6
2
2
4
2
0
4
0
2
4
0
0
2
0
