9
18
11
8
9
8
15
16
21
21
21
16
21
21
15
20
20
21
16
15
13
21
21
20
21
21
21
21
20
21
16
21
21
21
16
21
21
21
21
18
17
21
21
21
21
21
18
18
16
21
21
21
21
21
21
21
21
14
21
11
21
21
21
20
21
21
21
21
21
16
21
16
16
21
21
21
21
21
20
15
21
21
21
16
21
21
16
21
21
21
15
21
21
21
21
21
21
21
16
21