9
14
21
9
20
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8
17
8
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11
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14
21
14
8
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21
8
18
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
20
20
21
21
20
21
21
21
20
21
21
21
21
21
16
21
21
21
21
21
21
21
20
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21
21
21
21
21
21
21
21
21
21
21
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20
21