21
12
21
21
16
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
9
21
21
21
21
21
21
21
20
21
20
21
16
21
18
21
HD
21
20
20
21
21
21
21
21
21
21
21
21
21
HD
21
9
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
HD
21