4
0
0
2
0
0
4
4
2
2
2
51
6
2
0
0
2
4
2
2
0
0
2
2
2
2
0
2
2
0
2
4
6
2
0
0
2
0
4
2
4
2
0
4
0
4
4
0
2
4
2
2
4
0
0
2
4
2
6
0
0
0
0
0
2
12
0
0
8
4
10
2
10
6
0
2
8
4
8
4
6
10
2
2
0
0
0
2
2
6
4
0
0
4
2
0
4
2
2
2
2
0
2
0
8
4
0
4
2
2
2
2
2
4
2
0
0
4
2
6
0
0
0
6
0
0
2
2
2
2
8
0
2
53
0
2
2
0
0
0
2
8
6
8
2
0
0
4
2
2
0
0
4
2
0
0
2
2
2
2
0
4
0
0
2
2
0
0
0
4
2
2
2
0
2
0
4
6
0
0
4
4
2
0
0
2
2
2
4
0
0
2
4
2
2
6
4
2
6
2
2
4
2
0
0
2
2
2
6
0
2
2
2
4
2
2
0
0
0
0
0
0
0
0
2
0
2
2
0
0
6
0
2
0
2
2
4
0
4
0
2
6
2
0
0
2
2
0
0
2
4
2
0
2
0
2
0
0
0
2
2
2
0
6
2
0
0
4
2
0
0
4
6
4
0
48
2
2
9
2
2
4
0
2
2
4
0
2
