21
16
21
21
21
21
21
17
20
21
21
21
21
21
15
20
15
16
14
20
15
16
21
21
21
15
21
21
18
21
21
16
15
21
16
21
16
21
16
21
20
21
16
12
21
21
21
15
21
17
21
21
19
21
14
21
21
21
15
21
21
20
16
12
12
16
20
15
21
21
20
21
20
21
21
11
20
14
21
21
13
18
21
21
21
21
20
12
21
21
21
21
14
21
21
21
21
21
21
21