21
20
21
21
21
21
16
21
20
21
20
8
21
21
17
21
13
21
16
16
16
21
20
8
21
12
10
21
18
16
17
21
17
20
21
21
16
17
16
20
16
21
21
21
14
21
21
21
21
20
21
16
21
16
21
21
20
21
21
18
21
21
17
21
20
21
20
17
16
21
18
17
21
21
21
21
20
21
21
21
21
21
21
19
16
13
21
21
19
21
