2
2
2
2
4
2
2
4
0
2
2
4
2
3
0
0
2
2
2
0
2
0
2
2
0
2
2
2
2
2
2
2
4
0
0
4
2
0
2
0
2
2
2
0
0
0
4
6
2
2
0
2
0
2
2
2
0
2
2
0
2
2
0
0
0
0
6
2
2
2
2
2
2
0
0
2
0
2
4
2
2
6
4
0
4
2
0
2
2
2
4
2
2
2
0
0
2
7
0
8
2
0
10
2
2
2
2
0
3
6
2
2
4
6
0
2
4
2
0
2
0
2
0
2
2
4
0
2
0
0
6
0
2
2
2
4
0
2
2
0
4
2
2
2
2
0
2
0
4
2
2
2
0
4
2
0
2
2
0
2
2
0
0
2
2
2
0
2
2
2
0
2
4
4
2
4
2
2
2
2
4
2
0
4
2
4
0
0
0
2
2
2
4
2
0
2
4
0
2
2
2
3
4
2
0
0
0
0
0
0
0
0
0
2
0
2
0
0
0
0
2
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
4
0
0
0
2
0
0
0
0
0
0
0
0
0
2
0
0
6
0
