15
15
20
16
16
20
21
21
16
19
21
21
20
18
21
20
21
18
20
20
14
21
15
21
21
21
21
21
21
21
12
21
21
21
21
21
21
15
20
21
21
15
20
21
21
21
16
21
21
21
15
21
21
21
21
20
20
21
21
16
21
13
10
18
12
21
21
21
21
20
20
21
21
21
21
21
21
16
21
16
8
20
19
20
16
21
16
21
10
15
18
19
14
9
21
15
9
21
21
11