0
2
0
2
0
2
0
0
2
0
2
0
4
2
0
2
4
2
4
2
2
0
4
0
4
2
0
2
2
4
0
0
2
2
2
0
0
0
2
2
0
0
4
2
2
0
0
4
2
2
2
2
0
0
0
0
4
4
2
4
2
2
2
4
4
0
4
4
2
2
0
2
0
2
2
2
2
2
2
0
2
4
2
0
0
2
2
2
4
0
4
0
2
2
0
0
0
0
2
4
0
2
0
0
0
2
0
2
2
0
2
4
0
2
4
6
2
2
0
0
2
0
2
2
2
4
2
0
2
2
0
2
2
2
6
2
0
2
2
2
0
2
2
2
0
0
2
2
4
2
4
0
2
2
0
0
2
2
0
2
0
2
4
0
4
4
2
2
4
0
2
4
2
2
2
4
0
2
2
2
0
2
2
4
2
4
2
2
4
0
0
0
2
2
4
7
0
4
4
0
4
2
2
2
4
2
2
0
0
0
4
0
2
0
0
2
0
0
0
0
0
0
0
2
2
0
0
0
0
0
4
0
2
0
2
4
2
0
2
0
2
2
2
0
0
2
0
2
0
4
0
5
2
4
2
2
0
0
2
0
2
2
2
2
0
2
4
2
2
4
2
2
2
2
2
9
2
0
0
2
0
2
0
2
4
2
0
0
