16
11
11
8
21
21
21
15
21
18
21
21
21
16
14
17
16
16
16
20
16
21
21
16
21
15
21
21
21
21
21
21
16
21
16
21
21
21
21
21
21
21
21
21
21
21
21
16
21
21
21
16
21
16
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
16
21
21
21
21
16
20
12
16
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
20
21