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