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