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