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