21
21
21
21
16
16
21
21
21
21
21
21
21
21
21
16
21
16
20
21
21
21
16
21
21
21
13
21
21
21
20
21
21
12
15
21
21
20
12
12
12
16
20
20
16
20
21
12
15
21
15
16
21
21
16
20
10
16
21
16
21
16
15
21
16
16
20
21
16
20
15
21
21
21
21
16
16
21
21
21
15
20
21
21
21
16
15
21
15
14
12
16
20
21
21
15
21
21
21
21