21
20
21
16
20
21
21
20
21
21
21
21
20
21
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16
21
21
21
21
21
21
21
20
20
9
21
20
21
17
21
21
14
21
16
8
21
15
19
21
21
21
21
21
21
14
17
17
21
17
14
13
20
16
16
20
20
20
19
12
15
16
21
21
21
21
21
20
21
21
21
16
21
20
20
21
20
21
21
21
16
20
21
21
21
21
21
21
17
21
21
16
21
21
21
12
21
12
20