2
0
4
2
0
0
2
0
2
4
4
4
0
0
4
2
4
2
4
6
2
0
2
2
2
2
4
6
0
4
2
2
0
0
4
4
2
0
2
2
2
2
2
0
4
0
0
2
0
2
4
2
2
0
2
2
4
2
0
0
2
2
2
8
11
0
2
4
2
2
0
0
0
2
2
0
0
0
2
2
2
2
4
2
2
2
0
0
4
2
4
2
2
2
0
0
0
0
0
0
0
0
0
0
0
2
0
2
2
2
0
0
2
2
2
0
6
2
2
2
2
0
2
4
0
0
0
2
0
2
2
2
2
4
0
0
0
0
2
6
2
2
0
2
0
0
2
2
0
0
2
2
0
0
0
2
4
2
2
4
0
0
2
4
4
0
4
2
2
0
2
0
2
2
4
4
0
6
0
2
0
2
0
2
2
0
6
0
0
2
2
0
4
3
2
2
4
0
2
2
2
2
0
2
0
2
0
2
4
0
0
4
4
2
4
0
0
4
2
3
4
4
0
2
2
8
5
4
2
2
3
6
4
0
2
2
2
2
2
2
2
2
2
0
4
3
2
2
2
2
2
2
2
3
2
5
2
2
0
2
0
8
2
2
2
0
2
0
2
2
0
2
2
0
2
4
0
2
2
0
0
2
0
2
2
0
0
2
