19
21
15
17
21
21
19
21
21
21
21
16
21
21
21
21
21
21
20
21
21
21
21
21
20
21
12
20
21
21
21
21
12
12
21
20
15
16
16
21
16
21
15
21
21
21
21
21
21
21
21
21
19
21
21
20
21
21
20
18
17
21
21
21
15
19
14
20
19
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
20
21
21
20
21
20
20
21
15
20
19
21
HD