15
19
17
17
14
16
17
17
13
8
9
17
17
18
9
18
17
21
16
21
21
21
21
20
21
16
21
21
21
21
21
21
21
21
21
21
21
11
21
21
21
17
21
21
21
20
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
16
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
15
21
16
16
21
16
21
21
21
21
21
15