15
12
13
10
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8
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11
11
8
21
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15
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18
21
21
21
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16
14
17
16
16
21
16
20
21
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16
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15
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21
21
21
21
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16
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16
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21
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21
21
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21
10
20
21
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21
21
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16
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16
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21
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21
20
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21
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16
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16
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12
16
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21
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21