15
21
16
15
21
20
21
21
21
21
21
21
21
20
21
21
16
21
21
21
21
20
21
20
21
21
20
20
17
21
21
21
21
15
21
21
21
21
21
21
21
21
21
16
21
21
21
21
15
21
21
20
11
21
20
21
21
21
12
16
20
20
21
21
21
21
21
20
21
21
21
21
17
21
21
21
21
21
21
21
21
21
21
13
16
16
21
21
21
16
21
21
21
13
HD
16
21
16
21
21
21