anchor.diff:  http://www.culture.gov.uk/images/publications/london_2012_transport_plan_-_2nd_edition_ch8c.pdf,,410
   http://www.culture.gov.uk/images/publications/london_2012_transport_plan_-_2nd_edition_ch9-18.pdf,,410
   http://www.culture.gov.uk/images/publications/london_soc_letter_report_to_unesco.pdf,,410
  -http://www.culture.gov.uk/images/publications/lord_michael_ashcroft_web_announcement.pdf,,410
  +http://www.culture.gov.uk/images/publications/lord_michael_ashcroft_web_announcement.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/86457/Lord_Michael_Ashcroft_Web_Announcement.pdf,301
   http://www.culture.gov.uk/images/publications/lords_cricket_ground.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/72949/Lords_Cricket_Ground.pdf,301
   http://www.culture.gov.uk/images/publications/lords_cricket_ground_zone-sept11.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/78159/Lords_Cricket_Ground_zone-SEPT11.pdf,301
   http://www.culture.gov.uk/images/publications/lottery_admin_costs_data_sources.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/77803/lottery_admin_costs_data_sources.pdf,301
  
positive.code: http://www.culture.gov.uk/images/publications/opportunities.31,,410
  http://www.culture.gov.uk/images/publications/opseeguidance.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/77372/OPSEEguidance.pdf,301
  http://www.culture.gov.uk/images/publications/opseeguidance.rtf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/77373/OPSEEguidance.rtf,301
  http://www.culture.gov.uk/images/publications/opt_annex_a_summary.pdf,,410
  http://www.culture.gov.uk/images/publications/opt_annex_b_ceremonies.pdf,,410
  http://www.culture.gov.uk/images/publications/opt_annex_c_recipients_sporting_events.pdf,,410
  http://www.culture.gov.uk/images/publications/opt_annex_d_accreditation.pdf,,410
  http://www.culture.gov.uk/images/publications/opt_annex_e_parliamentary_ambassadors.pdf,,410
  http://www.culture.gov.uk/images/publications/opt_explanatory_notes.pdf,,410
  http://www.culture.gov.uk/images/publications/opz_hackney-sept11.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/78166/OPZ_Hackney-SEPT11.pdf,301
  http://www.culture.gov.uk/images/publications/opz_newham-sept11.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/78167/OPZ_Newham-SEPT11.pdf,301
  http://www.culture.gov.uk/images/publications/opz_tower_hamlets-sept11.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/78168/OPZ_Tower_Hamlets-SEPT11.pdf,301
  
negative.code: http://www.culture.gov.uk/what_we_do/regulated_entertainment/8967.aspx,,410
  http://www.culture.gov.uk/what_we_do/regulated_entertainment/9484.aspx,,410
  http://www.culture.gov.uk/what_we_do/regulated_entertainment/9485.aspx,,410
  http://www.culture.gov.uk/what_we_do/research_and_statistics/3375.aspx,https://www.gov.uk/government/publications/museums-and-galleries-monthly-visits,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4821.aspx,https://www.gov.uk/government/publications/research,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4822.aspx,https://www.gov.uk/government/publications/guidance-and-methods,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4824.aspx,https://www.gov.uk/government/publications/statistics,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4828.aspx,https://www.gov.uk/government/publications/taking-part,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4830.aspx,https://www.gov.uk/government/publications/dcms-arms-length-bodies-research-links,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4831.aspx,https://www.gov.uk/government/publications/tourism-satellite-accounts,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4832.aspx,https://www.gov.uk/government/publications/tsa-seminar-november-2004,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4846.aspx,https://www.gov.uk/government/publications/betting-licences-statistics,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4848.aspx,https://www.gov.uk/government/publications/creative-industries-economic-estimates,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4849.aspx,https://www.gov.uk/government/publications/television-exports-survey,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4850.aspx,https://www.gov.uk/government/publications/time-use-survey,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4851.aspx,https://www.gov.uk/government/publications/tourism-employment,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4852.aspx,https://www.gov.uk/government/publications/uk-tourism-satellite-account-first-steps-project,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4865.aspx,https://www.gov.uk/government/publications/alcohol-entertainment-late-night-refreshment-licensing-statistics,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4869.aspx,https://www.gov.uk/government/publications/information-for-survey-participants,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4871.aspx,https://www.gov.uk/government/publications/survey-content,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/4872.aspx,https://www.gov.uk/government/publications/taking-part-outputs-releases,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/5698.aspx,https://www.gov.uk/government/publications/case-programme,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6230.aspx,https://www.gov.uk/government/publications/local-area-statistics-on-participation-in-sport-and-culture,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6241.aspx,https://www.gov.uk/government/publications/productivity-statistics-in-creative-industries-and-tourism-and-leisure-industries,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6274.aspx,https://www.gov.uk/government/publications/free-swimming,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6390.aspx,,410
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6391.aspx,https://www.gov.uk/government/publications/dcms-science-and-research-advisory-committee,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6392.aspx,https://www.gov.uk/government/publications/background,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6423.aspx,https://www.gov.uk/government/publications/sponsored-museums-annual-performance-indicators,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6576.aspx,https://www.gov.uk/government/publications/one-off-and-discontinued-statistics,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6598.aspx,https://www.gov.uk/government/publications/sport-satellite-account-for-the-uk,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6602.aspx,https://www.gov.uk/government/publications/further-research,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6753.aspx,https://www.gov.uk/government/publications/libraries-omnibus,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/6762.aspx,https://www.gov.uk/government/publications/netquest,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7183.aspx,https://www.gov.uk/government/publications/taking-part-child-releases,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7184.aspx,https://www.gov.uk/government/publications/statistical-releases,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7202.aspx,https://www.gov.uk/government/publications/datasets,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7258.aspx,https://www.gov.uk/government/publications/treasure-and-portable-antiquities,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7275.aspx,https://www.gov.uk/government/publications/drivers-impacts-and-value-work,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7276.aspx,https://www.gov.uk/government/publications/local-culture-and-heritage-profile-tool,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7288.aspx,https://www.gov.uk/government/publications/case-database,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7290.aspx,https://www.gov.uk/government/publications/sport-profile-tool,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7292.aspx,https://www.gov.uk/government/publications/regional-and-local-insights-data,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7293.aspx,https://www.gov.uk/government/publications/mapping-asset-guidance,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7387.aspx,https://www.gov.uk/government/publications/questionnaires,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7388.aspx,https://www.gov.uk/government/publications/technical-reports,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7390.aspx,https://www.gov.uk/government/publications/about-taking-part,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7394.aspx,https://www.gov.uk/government/publications/user-corner,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7567.aspx,https://www.gov.uk/government/publications/export-of-objects-of-cultural-interest,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7605.aspx,https://www.gov.uk/government/publications/london-2012-meta-evaluation,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/7670.aspx,https://www.gov.uk/government/publications/national-indicators-for-local-authorities,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/8012.aspx,https://www.gov.uk/government/publications/2011-changes-to-arms-length-bodies-statistics,418
  http://www.culture.gov.uk/what_we_do/research_and_statistics/8250.aspx,https://www.gov.uk/government/publications/longitudinal-data-library,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/8331.aspx,https://www.gov.uk/government/publications/charitable-giving-indicators,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/8606.aspx,https://www.gov.uk/government/publications/annual-performance-indicators-2009-10,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/8609.aspx,https://www.gov.uk/government/publications/annual-performance-indicators-2010-11,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/8944.aspx,https://www.gov.uk/government/publications/uk-statistics-authority-assessment,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/9370.aspx,https://www.gov.uk/government/publications/school-sport-indicators,301
  http://www.culture.gov.uk/what_we_do/research_and_statistics/9496.aspx,,410
  http://www.culture.gov.uk/what_we_do/research_and_statistics/default.aspx,,410
  http://www.culture.gov.uk/what_we_do/sport/3461.aspx,,410
  