17
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
HD
21
21
20
21
21
16
21
21
21
21
21
16
21
21
16
21
21
21
15
21
21
21
21
21
21
21
21
21
21
21
16
18
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
15
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
17
11
9
21