Questions on 'pdf file' tag
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532
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554
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2
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577
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0
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1
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598
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0
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1
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428
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1
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700
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1
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202
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0
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1
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517
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0
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1
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294
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0
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1
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578
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0
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1
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522
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1
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541
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0
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1
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554
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0
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1
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402
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0
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1
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565
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0
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1
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648
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0
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1
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644
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1
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1
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634
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0
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1
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620
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0
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1
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650
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0
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1
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626
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0
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1
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571
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0
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1
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609
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0
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1
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663
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0
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1
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637
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0
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1
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201
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0
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1
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468
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0
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1
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474
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0
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1
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560
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0
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1
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629
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1
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631
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1
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751
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0
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1
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649
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1
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614
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0
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1
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556
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