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