4
2
4
0
2
2
2
2
2
4
4
2
0
2
2
0
2
0
4
2
2
2
0
0
0
2
2
2
0
2
2
4
2
4
0
2
0
2
0
2
4
0
2
2
4
0
0
2
0
2
2
2
2
2
2
2
0
0
2
4
2
2
4
4
0
0
2
0
2
2
0
4
2
4
2
0
2
2
4
0
2
2
2
0
0
0
2
2
2
4
4
2
0
0
0
0
0
2
9
2
0
0
2
0
2
0
2
4
0
2
0
0
0
2
0
13
0
0
0
0
0
2
0
2
0
2
2
0
0
2
0
2
0
0
2
4
2
2
0
4
2
0
2
0
2
2
4
2
2
0
0
4
3
0
4
2
0
5
7
4
4
2
2
4
2
2
2
4
0
0
0
2
2
0
2
2
2
2
4
2
2
0
0
0
2
0
4
2
2
0
4
4
0
2
4
2
2
2
0
2
5
2
2
4
2
0
2
2
2
2
2
2
0
2
0
2
0
2
2
2
0
2
4
0
2
4
0
2
2
4
2
4
4
0
2
2
4
2
2
4
0
2
0
2
4
2
2
4
2
2
3
0
2
0
4
2
2
2
0
0
3
2
2
2
2
2
4
2
0
2
0
0
2
0
0
2
2
2
2
2
0
2
2
0
2
4
4
0
