2
0
2
0
0
2
4
0
4
4
0
2
0
2
2
4
2
4
2
2
0
0
0
6
4
0
0
4
4
4
4
4
0
11
0
7
2
4
2
2
2
2
2
2
2
2
2
0
2
0
0
2
0
0
2
2
4
4
4
2
6
2
2
2
0
2
0
6
0
0
6
0
4
2
2
6
2
0
4
0
6
2
0
0
0
4
2
0
0
2
2
2
2
9
0
6
0
0
2
6
2
0
2
4
2
0
4
6
4
4
2
0
2
4
4
2
0
8
2
0
4
2
0
2
2
0
2
0
2
2
6
2
7
2
6
0
2
0
2
2
2
4
2
0
2
4
0
2
0
4
0
2
2
2
2
0
0
2
4
0
2
6
6
2
2
0
0
0
0
4
0
0
2
0
4
2
2
2
2
2
6
2
0
0
2
2
0
2
0
2
2
4
2
2
0
2
6
2
0
4
2
4
6
0
2
0
4
0
0
2
0
4
2
4
2
0
2
2
0
2
0
2
0
4
0
4
2
4
2
0
0
3
2
4
4
2
6
4
4
0
0
2
0
0
2
2
0
4
2
5
6
2
2
4
0
2
4
2
4
0
2
2
0
2
7
0
4
2
2
0
2
6
4
0
0
0
2
4
11
2
2
0
2
0
2
0
2
0
