21
21
21
21
21
21
21
21
21
21
20
8
21
21
20
21
13
10
16
10
19
21
20
14
16
15
18
20
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
20
21
21
21
21
21
21
21
19
21
21
21
21
21
21
21
21
21
21
21
19
20
20
21
21
21
21
20
21
21
13
16
10
15
9
17
9
10
14
16
16
16
20
16
15
20
12
12
16
16
16
13