20
21
21
21
18
21
20
20
21
21
21
21
21
21
21
21
21
20
21
20
14
21
21
21
11
21
21
21
21
21
19
21
21
21
21
21
21
21
21
21
21
20
20
11
19
21
20
21
21
20
21
20
21
21
21
21
21
21
21
21
20
21
20
21
21
21
21
21
14
21
21
21
21
21
21
21
21
21
10
21
20
21
21
21
20
21
21
21
21
21
21
21
21
21
21
19
21
21
21
21
21
21
21
17
21
21
21
21
21
20
21
21
21
21
21
20
21
20
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
12
20
15
21
21
21
21
21
21
20
21
20
21
21
21
19
19
19
20
21
19
20
18
11
19
15
20
18
21
20
21
21
20
21
HD
21
21
21
21
21
21
21
15
21
20
21
21
21