21
20
21
21
21
21
18
21
19
12
11
21
21
21
21
21
15
20
21
21
16
12
21
21
16
21
21
21
20
14
15
20
11
16
21
21
21
21
21
21
21
21
21
21
21
17
16
15
21
15
21
21
21
20
21
21
21
16
15
19
21
21
21
21
19
16
21
21
16
21
16
15
21
21
21
12
21
21
19
21
21
15
21
21
21
21
20
16
16
21
21
21
20
16
18
16
15
16
16
21