21
16
16
21
12
21
16
21
21
20
21
16
21
19
20
21
21
21
12
20
21
21
20
21
21
15
21
21
21
21
21
21
21
16
16
16
21
16
15
20
21
21
21
16
19
16
15
15
15
16
21
21
HD
17
21
21
21
21
15
21
21
21
21
17
21
16
20
15
16
15
21
10
16
21
21
21
16
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
20
21
21
21
21
16
21
16
21