3
0
4
0
4
0
4
0
4
0
5
0
5
0
6
0
18
0
6
0
7
0
9
0
8
0
9
0
8
0
7
0
7
0
7
0
7
0
7
0
6
0
7
0
16
0
8
0
7
0
7
0
8
0
7
0
