16
21
21
18
21
21
16
17
15
21
21
21
21
17
16
15
21
16
15
16
21
21
21
21
21
21
21
21
21
21
16
21
21
15
21
21
15
21
18
21
21
21
21
16
16
HD
12
15
17
21
21
21
21
21
21
21
21
21
15
16
21
21
20
21
12
16
21
16
17
16
21
19
21
16
15
20
21
21
21
12
21
21
21
12
16
17
12
12
16
17
21
21
21
20
21
21
17
21
21
21
21