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