0
2
2
2
0
0
0
2
2
2
4
2
0
0
2
2
2
2
0
0
0
2
0
2
0
2
4
4
0
5
4
0
0
2
2
2
4
4
0
0
0
0
0
2
2
2
2
2
2
0
2
2
2
0
2
0
2
2
2
0
0
0
0
4
0
0
2
0
0
4
2
0
0
2
0
0
0
2
0
0
0
2
4
0
2
0
2
4
0
0
0
0
4
2
2
2
0
0
2
0
4
2
9
0
2
2
4
0
0
2
2
2
4
4
0
2
0
4
2
0
0
0
2
2
2
2
4
0
2
0
4
2
0
0
0
0
2
0
2
0
2
2
0
0
0
0
2
4
2
2
4
2
2
0
2
2
2
0
2
0
2
0
0
2
4
0
13
4
2
4
0
2
2
2
0
0
0
2
0
2
0
0
0
2
4
0
0
0
2
4
0
2
0
0
2
0
4
0
0
2
0
0
2
0
0
0
0
0
2
2
2
0
0
2
2
2
0
2
4
2
4
2
0
0
0
0
0
2
2
0
0
6
4
4
0
2
2
2
2
2
2
0
2
0
0
4
2
0
4
2
0
2
2
0
2
0
2
2
0
0
0
2
2
2
2
0
2
4
2
2
2
0
2
2
0
4
2
2
0
4
2
4
0
4
2
0
2
0
