21
21
20
21
21
21
15
21
21
21
21
16
21
21
21
16
21
21
21
20
21
21
15
21
21
21
21
21
16
21
15
21
21
21
21
21
15
21
21
16
21
15
16
18
21
21
16
21
21
16
17
16
21
15
21
18
21
21
17
21
21
21
21
16
20
21
21
16
16
21
21
17
16
15
16
HD
21
21
20
21
21
21
21
21
21
21
20
21
16
16
20
18
18
12
15
16
15
15
21
18
21