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