16
17
8
11
12
18
8
21
18
21
21
16
16
12
21
17
15
21
21
21
21
21
21
12
21
21
21
21
15
21
21
21
21
16
17
16
21
21
16
21
17
16
21
20
21
16
21
16
16
14
21
21
21
16
12
16
21
21
21
21
16
21
21
21
21
16
21
21
21
21
21
20
21
14
16
21
12
21
21
21
21
21
21
21
16
21
19
21
21
16
21
12
16
21
21
21
21
15
21
21