21
21
21
16
21
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15
16
16
16
17
17
21
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21
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20
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14
16
21
16
21
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21
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21
21
18
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12
21
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18
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16
21
19
21
21
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16
18
18
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19
21
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20
16
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15
21
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9
11
20
10
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16
21
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18
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21
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21
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18
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21
21
16