0
2
0
0
4
0
0
0
2
0
2
0
2
0
0
4
2
0
0
2
0
0
4
2
4
6
2
2
0
2
0
4
0
2
0
2
2
8
0
0
2
0
0
4
0
0
4
2
0
2
4
2
0
2
4
0
0
0
2
2
4
2
2
0
4
0
2
2
2
2
0
4
0
0
0
2
4
7
0
2
0
0
0
6
2
0
2
2
2
2
0
2
0
2
4
2
4
0
2
4
2
8
4
2
0
0
0
4
2
2
0
0
6
0
0
0
2
0
9
0
6
2
0
2
2
6
6
2
4
6
2
2
4
2
4
2
4
2
0
2
4
4
2
0
2
4
0
0
4
2
4
2
2
2
2
0
4
2
0
0
4
2
0
4
0
2
0
2
6
10
4
10
0
0
2
2
0
2
2
2
2
0
2
6
4
4
0
4
2
0
2
0
0
3
2
6
2
2
0
0
2
0
6
0
4
0
0
4
4
4
0
2
0
3
4
2
4
0
2
2
4
0
6
2
4
2
6
4
0
2
2
2
0
0
6
0
6
2
2
0
3
4
2
0
6
0
4
2
2
2
2
0
0
2
2
0
0
0
2
0
6
2
2
2
4
0
2
7
2
0
0
2
8
0
2
2
2
10
2
2
0
4
0
2
0
6
0
0
