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