2
2
4
2
0
2
0
0
4
2
0
0
2
0
4
4
2
2
6
2
4
0
0
2
2
2
4
6
2
4
6
2
0
2
2
2
2
2
0
0
2
2
0
2
4
0
4
0
0
2
4
0
2
2
0
4
2
2
0
4
0
2
2
2
0
0
2
0
4
2
2
0
4
4
6
4
2
2
2
0
0
0
2
0
4
0
9
2
0
2
4
3
2
2
2
2
2
3
2
4
2
0
2
0
2
4
4
0
4
4
0
0
4
0
2
2
4
4
0
2
0
4
4
36
0
0
0
4
2
2
2
0
2
3
0
0
2
2
4
0
2
2
0
2
0
2
0
2
2
0
0
2
0
0
0
2
2
2
0
5
0
0
2
0
0
0
2
0
2
2
0
2
2
0
0
0
2
0
0
0
0
0
2
4
0
2
2
2
7
4
2
2
0
0
4
0
1
0
2
0
6
2
0
4
0
2
0
0
2
0
4
0
0
2
0
0
2
0
0
0
0
2
2
0
0
0
2
0
2
0
2
0
0
4
0
0
0
2
0
2
2
0
0
2
3
0
2
0
6
0
0
3
3
0
0
3
3
2
0
4
0
0
0
2
0
0
4
3
2
0
0
2
0
0
2
0
0
2
0
0
2
3
0
0
5
2
0
2
