15
21
21
20
20
15
21
15
21
21
21
21
21
21
21
21
21
21
21
21
21
15
21
21
21
21
14
15
21
20
21
21
21
21
21
21
21
21
21
21
HD
21
21
21
21
21
20
21
21
20
21
14
21
15
21
20
14
21
21
21
21
17
15
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
14
21
21
21
15
21
21
21
15
21
15
14
14
20
21
21
21
20
21
21
15
21
21
16
21
21
21
21
21
15
21
21
21
21
21
21
21
21
21
19
21
14
21
21
21
19
21
21
15
21
15
21
21
21
21
21
20
21
20
21
19
21
21
20
15
21
21
21
21
21
21
21
21
21
15
21
20
21
18
20
20
19
21
13
19
21
20
20
21
21
20
14
19
20
15
19
21
21
20
20
14
21
20
21
21
21
21
21
21
20
21
21
15
20
20
21