21
21
21
21
21
21
21
21
21
21
21
21
15
16
21
15
15
21
21
20
10
21
21
21
21
21
21
21
21
21
21
20
21
21
21
19
HD
21
21
21
21
21
21
21
21
21
20
21
21
21
21
16
21
15
21
21
21
21
19
21
21
HD
21
21
9
15
21
20
21
21
21
21
18
21
16
21
21
21
21
15
17
21
21
21
15
21
20
21
21
21
16
21
16
20
21
21
21
21
15
21
16
21