2
0
0
4
6
4
0
0
0
2
0
0
4
2
0
2
2
0
2
0
2
0
0
4
6
2
2
2
4
0
2
0
2
0
2
4
0
4
2
2
2
0
0
2
0
4
0
4
4
2
2
2
4
9
0
0
0
0
0
2
2
0
0
0
4
0
2
4
0
0
4
2
4
2
4
0
7
4
2
3
0
0
0
2
0
8
2
2
0
0
0
7
0
0
2
4
4
0
6
2
2
4
4
0
2
2
2
2
2
2
6
2
0
4
0
4
0
2
6
4
10
2
4
0
0
0
5
0
2
0
12
2
4
2
0
0
0
4
0
2
0
2
2
2
0
4
2
0
15
6
4
0
4
0
2
0
2
4
4
2
0
4
4
2
2
2
2
2
2
0
0
0
0
0
2
2
2
0
4
9
2
2
2
2
2
0
2
0
2
2
2
0
4
0
2
4
4
0
4
2
4
2
2
2
4
0
6
0
2
2
2
2
0
0
2
2
2
2
2
0
0
6
7
5
2
2
2
2
2
4
0
0
2
0
2
8
2
0
4
2
0
2
2
0
0
0
4
2
2
2
2
2
2
2
4
2
0
2
0
2
0
2
2
0
2
0
0
2
2
0
2
4
0
2
2
2
2
0
2
0
4
2
2
0
0
0
2
0
