21
21
21
17
18
21
15
16
21
21
17
21
12
21
15
18
17
21
21
21
20
21
16
20
15
21
21
16
21
14
21
21
21
21
21
21
16
21
12
21
21
21
21
21
21
16
21
21
15
21
18
21
18
21
21
12
21
21
16
21
21
16
21
16
16
16
16
16
17
21
20
21
21
21
16
19
21
16
21
18
17
13
21
15
15
21
17
21
21
21
21
21
12
16
21
21
21
15
16
10