16
21
21
19
21
16
21
20
21
21
21
20
21
21
21
21
21
21
21
21
21
16
21
21
21
21
21
20
21
21
20
21
21
21
16
21
16
21
21
21
21
17
16
21
21
21
21
21
21
21
21
16
21
21
18
15
21
14
21
15
21
21
21
21
15
21
21
21
21
19
16
16
15
8
19
14
18
14
16
15
8
21
20
18
18
18
9
9
15
17
16
21
21
16
16
18
16
12
16
17