21
21
21
21
21
18
20
21
21
21
21
21
21
21
21
16
21
21
21
21
21
20
21
21
21
16
21
21
21
20
16
21
16
18
21
21
21
21
16
16
18
21
20
19
21
16
21
21
21
21
16
16
21
16
17
21
21
21
21
21
21
21
16
15
21
20
21
21
21
21
21
21
21
21
21
20
16
21
21
21
16
11
21
16
18
15
15
21
20
16
20
14
21
21
14
20
21
19
21
21