20
16
14
21
21
21
21
11
17
13
21
20
18
12
18
9
17
20
20
13
16
10
15
18
18
17
18
18
16
17
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
16
17
21
21
20
20
21
21
21
21
21
21
17
21
21
21
21
21
19
21
21
20
21
16
20
21
20
21
21
10
21
20
21