21
21
21
21
17
13
16
17
17
21
21
20
17
21
21
16
21
21
21
21
21
21
21
21
21
21
21
20
21
21
15
21
20
21
20
12
21
21
17
21
21
17
16
21
21
21
15
21
21
21
21
21
21
21
21
15
21
21
21
17
21
21
21
21
16
16
17
21
10
16
21
21
21
21
21
21
21
21
17
21
21
21
16
17
21
16
21
16
16
21
15
16
16
15
HD
21
16
17
21
10
21