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