anchor.diff:  http://www.hm-treasury.gov.uk/accessibility_mouse.htm,,410
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   http://www.hm-treasury.gov.uk/alcohol_taxation.htm,https://www.gov.uk/government/publications/review-of-alcohol-taxation,418
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   http://www.hm-treasury.gov.uk/as2012_distributional_analysis.htm,https://www.gov.uk/government/publications/autumn-statement-2012-distributional-analysis,301
   http://www.hm-treasury.gov.uk/as2012_documents.htm,https://www.gov.uk/government/publications/autumn-statement-2012-documents,301
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  http://www.hm-treasury.gov.uk/fabricatedurl/http///www.hm-treasury.gov.uk/tax_pensions_preston.htm323,https://www.gov.uk/government/publications/preston-guidance--12,418
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  http://www.hm-treasury.gov.uk/d/coins_oscar_mapping201213.xls,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/185571/coins_oscar_mapping201213.xls.xls,301
  http://www.hm-treasury.gov.uk/d/combined_bingo.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/179255/combined_bingo.pdf.pdf,301
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  http://www.hm-treasury.gov.uk/d/commission_regulation_ec_1883_221002.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/202152/commission_regulation_ec_1883_221002.pdf.pdf,301
  http://www.hm-treasury.gov.uk/d/commission_regulation_ec_201_230207.pdf,,410
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  http://www.hm-treasury.gov.uk/d/competitive_dialogue_procedure.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/185503/competitive_dialogue_procedure.pdf.pdf,301
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