8
0
7
0
8
0
6
0
7
0
8
0
4
0
8
0
7
0
8
0
9
0
8
0
8
0
10
0
7
0
8
0
9
0
8
0
9
0
7
0
7
0
8
0
9
0
7
0
4
0
5
0
4
0
4
0
