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