21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
10
13
12
21
14
15
14
19
21
15
17
17
21
19
12
13
11
21
21
16
HD
21
16
21
21
21
19
17
21
20
21
20
17
11
10
21
21
11
15
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
18
20
11
12