4
2
0
2
0
2
2
0
2
0
4
4
4
6
2
2
2
4
0
2
0
4
0
4
2
4
2
2
2
0
2
4
2
0
0
2
4
4
0
2
4
4
2
6
4
2
0
0
2
2
2
2
0
2
4
0
2
0
0
2
2
4
2
4
2
4
2
0
4
0
2
0
2
2
2
4
4
4
0
2
2
0
0
2
4
2
2
2
2
4
0
2
0
0
0
2
2
0
0
4
2
2
2
2
2
0
2
0
4
0
0
2
2
0
4
2
0
0
2
4
2
0
2
4
4
3
2
2
2
0
0
4
2
0
2
4
4
2
2
4
2
0
0
4
2
4
2
0
0
0
0
2
2
2
0
2
2
4
4
2
2
0
4
2
4
0
2
2
2
2
2
2
0
0
4
2
0
0
20
0
2
0
2
0
2
2
2
0
4
2
0
2
0
4
2
2
2
2
4
4
4
0
4
4
2
0
4
2
2
0
2
2
0
4
0
0
4
4
2
2
2
2
4
0
2
2
0
2
4
2
2
4
2
7
2
2
2
0
0
5
0
2
0
2
4
4
4
4
0
2
2
2
0
2
2
2
2
2
4
0
4
0
2
2
4
4
0
4
4
0
2
2
4
0
0
0
2
2
2
2
2
2
0
2
2
0
0
0
