20
21
21
21
20
21
21
21
20
21
21
21
21
21
HD
21
21
20
21
21
21
21
20
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
18
21
21
20
21
21
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
21
20
21
20
21
21
20
21
21
21
21
14
21
21
21
20
21
21
21
20
20
21
21
21
21
18
19
20
21
19
21
21
21
21
21
21
21
21
21
21
21
21
12
21
21
21
21
21
21
21
21
21
20
21
20
21
21
21
21
21
20
21
21
21
21
21
21
HD
21
20
21
21
21
21
21
21
20
21
20
21
21
21
21
21
21
21
21
HD
21
21
21
21
21
21
21
21
12
21
21
21
21
15
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
14
21
21
20
21
20
21
21
21
20
21