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