9
9
9
21
8
16
20
12
13
9
16
16
21
16
16
21
16
21
20
16
16
20
20
16
21
20
21
16
21
17
16
21
21
21
16
21
17
20
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
16
21
21
21
21
16
21
21
21
21
16
21
21
16
21
16
16
21
21
21
21
21
21
16
20
21
21
21
21
16
21
17
21
16
21
21
21
16
21
21
21
18
21
16
14
21