1000
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1000
1000
1000
1000
1000
1000
1000
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1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
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1000
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1000
1000
1000
1000
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1000
1000
1000
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1000
1000
1000
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1000
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1000
1000
1000
1000
1000
1000
910
773
10