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