19
21
16
21
21
21
16
21
21
21
21
21
16
21
18
21
21
16
21
20
15
20
21
15
21
16
21
21
15
21
21
20
15
12
12
17
12
21
12
21
21
16
12
21
17
18
12
21
21
21
15
21
21
12
21
21
21
21
21
17
21
17
21
21
21
21
HD
17
14
21
21
21
19
12
21
15
21
18
17
18
21
21
16
20
15
21
16
20
21
16
21
16
21
21
20
21
16
21
21
21
21