21
20
21
16
21
13
21
21
16
15
21
21
20
21
21
21
15
21
20
21
21
21
21
21
21
21
21
21
20
15
21
21
21
15
15
21
21
21
21
21
21
21
21
13
12
21
16
20
21
17
21
16
20
21
21
20
21
21
16
21
20
15
15
18
12
20
21
20
HD
15
15
13
21
21
15
21
21
21
21
21
21
20
16
16
16
21
15
16
21
21
17
21
16
21
21
21
21
15
21
20
21