21
16
21
20
21
16
14
16
21
16
21
16
21
16
21
21
21
21
18
21
16
21
21
12
21
21
21
21
21
21
21
18
21
16
21
19
21
21
21
21
16
18
18
21
19
21
21
18
21
21
16
21
21
21
21
21
11
20
10
21
16
21
21
16
21
21
18
21
21
21
21
21
18
21
16
21
21
16
21
16
21
16
21
21
21
21
16
21
21
21
21
21
21
21
21
18
21
21
21
16