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