4
4
0
2
2
0
4
2
4
2
2
0
0
0
2
2
2
99
2
2
2
2
0
2
4
0
0
0
0
96
8
2
2
2
2
2
4
0
0
0
0
0
2
2
2
2
0
2
0
4
2
2
6
2
4
2
2
2
2
2
2
0
0
2
4
2
0
4
0
0
0
0
0
2
0
0
4
4
4
4
2
0
0
0
0
0
0
2
4
2
4
0
2
2
0
0
0
4
2
2
2
2
2
0
4
0
4
6
6
2
4
0
0
0
4
4
2
0
0
0
2
0
2
0
4
2
0
2
2
2
2
4
2
0
0
2
0
0
0
2
0
0
0
2
0
0
0
2
0
2
0
53
0
0
2
0
0
2
0
2
2
2
2
0
0
2
2
0
0
2
0
2
2
4
2
0
2
4
4
2
2
0
6
0
4
2
4
2
2
4
2
4
0
0
0
0
2
2
0
0
0
2
2
4
0
2
0
2
2
2
2
4
2
0
2
0
0
0
2
0
0
4
4
0
0
0
0
4
4
0
2
0
2
0
2
2
4
2
6
0
4
2
0
0
0
2
2
2
2
0
2
0
2
4
0
0
0
0
2
2
0
4
0
2
0
0
0
0
2
2
4
0
2
4
0
2
0
0
0
2
4
2
2
4
2
2
4
0
