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