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