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