21
21
21
17
20
21
21
21
21
17
16
21
21
16
16
16
21
16
21
17
17
20
21
21
21
21
21
16
16
21
21
21
16
21
8
16
21
21
16
21
21
21
21
12
21
21
21
21
21
16
21
20
21
16
16
13
21
21
21
10
16
16
20
21
16
21
21
21
19
21
21
21
21
21
21
16
15
21
21
16
16
20
16
21
18
21
16
21
21
21
16
20
21
16
16
16
17
16
16
12