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