0
0
2
0
0
0
4
0
2
4
0
0
2
2
2
0
4
0
2
2
0
2
2
2
0
0
2
0
2
6
0
2
4
2
6
2
2
2
2
6
2
2
2
2
2
0
0
0
2
0
4
0
2
4
0
4
0
0
2
0
4
0
5
0
4
2
2
0
4
0
0
6
0
2
2
2
2
2
0
2
0
0
4
0
4
2
2
4
0
0
6
2
4
4
0
0
6
4
2
2
0
2
0
0
0
0
2
0
4
6
6
2
0
4
0
2
2
8
6
4
2
2
0
4
0
0
6
2
2
0
4
4
4
2
2
4
5
0
1
0
2
0
0
0
2
4
0
6
6
0
4
0
4
2
2
2
2
2
0
2
0
2
7
2
4
0
2
2
0
2
2
2
4
2
2
2
2
0
2
4
2
2
2
0
0
0
6
2
8
2
0
4
4
2
0
5
0
2
2
4
2
2
0
4
2
2
0
0
0
0
4
2
4
2
0
2
2
4
0
2
2
2
2
2
2
2
0
0
0
2
0
0
0
0
2
4
0
0
2
2
2
0
0
1
4
2
2
2
0
4
2
0
0
0
0
0
0
0
5
2
0
2
0
2
0
0
4
0
2
2
4
2
2
2
4
0
0
8
0
4
0
0
2
4
0
0
2
0
