21
20
16
21
21
16
20
16
11
21
15
21
21
21
16
20
18
15
18
15
21
16
16
20
16
17
16
21
20
16
14
13
21
21
17
17
14
14
20
21
19
21
21
21
21
21
21
21
21
16
21
20
20
21
21
20
16
15
21
21
21
21
20
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
16
21
21
21
21
21
21
21
16
21
21
18
21
20
21
21
21
20
16
21
21