21
21
9
18
21
18
21
15
21
21
21
21
17
17
20
16
16
21
15
17
21
12
15
16
15
16
21
21
21
17
16
21
21
21
16
16
21
21
12
15
21
21
16
21
21
15
21
20
21
21
21
16
21
19
20
21
21
15
21
21
16
12
21
20
21
21
15
20
21
21
15
21
21
21
21
15
21
21
21
15
21
21
21
21
21
15
16
21
16
16
21
16
15
20
21
11
21
21
21