21
16
21
21
21
21
21
21
21
21
21
21
21
21
19
19
12
21
21
21
21
21
21
12
21
20
20
9
18
13
13
8
19
21
11
20
8
9
19
9
14
19
11
21
21
15
18
9
17
21
10
12
16
21
21
21
21
21
21
21
21
16
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21