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