18
16
16
15
12
21
21
21
19
15
8
11
18
21
21
20
15
14
17
21
19
21
21
21
21
21
21
21
21
10
21
21
21
20
21
21
15
21
21
20
19
21
21
19
21
21
21
21
9
21
20
21
21
21
20
21
21
21
21
15
21
19
21
11
21
21
12
21
21
17
21
20
21
21
21
21
20
21
21
21
21
21
21
21
20
21
21
15
20
