2
0
2
2
4
2
4
2
2
2
0
0
0
0
2
2
0
4
7
2
0
2
2
2
2
2
2
0
0
2
2
4
2
2
0
0
2
0
2
0
0
0
0
2
0
2
4
4
0
2
6
0
0
2
4
6
0
0
0
2
0
2
0
0
0
2
6
0
4
2
4
2
2
2
0
0
0
4
8
2
4
2
0
0
2
0
2
0
0
10
0
2
2
0
0
0
0
0
2
0
2
0
0
4
0
2
2
2
0
0
2
0
2
2
2
2
4
0
0
0
0
0
0
0
0
6
0
0
2
2
2
0
0
2
0
0
2
0
4
4
0
0
2
0
0
0
0
0
0
4
9
2
2
4
2
2
2
0
0
2
0
2
4
4
2
0
2
0
0
0
0
0
2
6
0
0
0
0
2
0
2
0
2
0
4
68
13
2
2
0
0
2
0
0
0
0
0
4
8
2
2
0
0
0
0
0
0
0
0
6
4
8
4
0
2
2
0
2
0
0
0
6
4
4
4
0
0
2
0
0
0
0
2
2
8
6
0
0
2
0
4
0
2
0
2
8
2
2
5
0
2
2
2
2
2
0
2
15
0
2
2
2
2
0
0
0
2
0
0
5
8
2
2
2
4
2
0
0
2
0
0
2
4
0
6
0
0
0
