15
21
21
21
17
21
21
16
21
21
21
21
12
21
16
21
21
21
21
16
21
20
21
12
21
12
16
21
21
21
21
17
21
21
21
16
21
16
15
16
21
21
21
15
15
18
16
20
16
21
21
21
16
21
21
20
21
21
21
20
16
21
12
20
16
21
21
21
16
21
21
21
16
12
HD
21
21
21
16
21
16
11
21
15
21
16
21
18
16
21
16
16
21
21
16
21
16
16
21
15
12