4
0
0
4
0
0
6
0
0
4
0
0
6
0
0
4
0
0
4
0
0
4
0
0
8
0
0
4
0
1
4
0
0
4
0
0
4
0
0
9
2
1
4
0
0
5
0
0
7
0
0
8
0
0
5
0
0
8
0
0