0
4
0
0
2
4
2
0
2
4
2
2
0
0
2
0
0
0
2
2
2
2
2
0
2
0
0
0
0
2
2
2
6
0
0
0
4
4
0
0
0
0
4
2
0
0
6
0
0
2
2
2
2
2
2
0
0
0
2
0
2
0
2
0
0
0
4
0
4
2
2
2
2
4
2
8
0
2
0
0
0
2
0
0
0
0
0
0
0
2
2
2
6
8
2
4
4
2
0
2
0
6
0
2
2
2
4
0
0
2
2
2
0
0
0
2
0
2
4
4
2
6
2
0
0
2
2
0
2
0
2
6
0
2
0
0
12
6
0
2
4
2
4
0
0
6
0
0
2
0
0
2
0
2
4
8
4
0
0
0
4
2
2
0
0
6
4
0
0
0
11
2
13
4
2
6
0
6
4
2
0
0
4
0
4
2
0
0
0
0
2
0
0
0
8
2
2
4
0
0
2
0
0
0
2
0
4
0
4
0
4
0
2
2
9
4
0
2
2
2
2
2
0
2
2
2
0
2
0
2
0
0
4
0
2
2
4
2
0
4
0
0
0
0
0
2
2
0
0
0
0
2
2
0
2
0
0
0
2
0
2
0
0
2
2
2
2
6
2
0
0
0
6
0
2
2
2
0
0
0
0
0
2
2
0
2
4
6
