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