21
21
17
21
21
21
19
15
21
21
15
20
21
21
20
21
21
21
16
21
21
21
17
21
21
21
16
21
21
16
21
21
16
21
20
16
17
16
21
19
15
17
21
21
21
20
21
21
21
20
15
20
21
21
21
21
21
21
20
21
21
21
21
21
16
21
21
17
21
21
21
21
21
21
16
21
21
21
21
21
21
20
21
21
21
21
14
20
20
15
16
21
21
16
21
21
21
21
20
21