9
21
21
21
21
21
20
21
21
21
21
15
16
17
21
21
21
15
21
21
16
21
16
21
21
21
21
21
13
21
21
21
21
21
16
16
21
15
21
20
15
16
16
11
17
17
21
19
21
21
16
20
21
16
16
21
16
21
16
21
21
17
21
21
21
16
21
13
16
14
21
21
21
19
15
18
21
21
15
21
21
21
21
15
21
21
16
20
21
16
16
21
19
15
21
20
9
15
21
20