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