21
12
18
12
16
21
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20
21
16
21
16
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21
16
21
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21
12
21
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21
16
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16
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16
16
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16
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20
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16
20
16
16
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11
14
11
16
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16
16
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12
21
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17
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16
16
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12
20
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15
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21