anchor.diff:  http://www.direct.gov.uk/en/Dl1/Directories/DG_10011645,https://www.gov.uk/find-your-local-council,301,,
   http://www.direct.gov.uk/en/Dl1/Directories/DG_10027219,,410,,
   http://www.direct.gov.uk/en/Dl1/Directories/DG_072996,,410,,
  -http://www.direct.gov.uk/en/Governmentcitizensandrights/LivingintheUK/index.htm,https://www.gov.uk/browse/life-in-the-uk,410,,
  +http://www.direct.gov.uk/en/Governmentcitizensandrights/LivingintheUK/index.htm,,410,,
   http://www.direct.gov.uk/cy/MoneyTaxAndBenefits/Taxes/BeginnersGuideToTax/InheritanceTaxEstatesAndTrusts/InheritanceTaxwhenpassingonmoneyorproperty/DG_201598CY,https://www.gov.uk/cymraeg,301,,
   http://www.direct.gov.uk/en/Dl1/Directories/DG_177600,,410,,
   http://www.direct.gov.uk/en/Dl1/Directories/DG_10010834,,410,http://www.lgo.org.uk,
  
positive.code: http://www.direct.gov.uk/en/Governmentcitizensandrights/UKgovernment/Politicalpartiesandelections/DG_202210,https://www.gov.uk/access-to-elected-office-fund,301,,
  http://www.direct.gov.uk/en/Environmentandgreenerliving/Energyandwatersaving/DG_201548,,410,http://www.energysavingtrust.org.uk/,
  http://www.direct.gov.uk/en/Environmentandgreenerliving/Energyandwatersaving/DG_201535,,410,http://www.energysavingtrust.org.uk/,
  http://www.direct.gov.uk/en/Pensionsandretirementplanning/Working/LookingForWork/DG_10026789,https://www.gov.uk/find-job/introduction,410,,
  http://www.direct.gov.uk/en/CrimeJusticeAndTheLaw/Sentencingprisonandprobation/Goingtoprison/DG_181707,https://www.gov.uk/life-in-prison/vulnerable-prisoners,301,,
  http://www.direct.gov.uk/en/EducationAndLearning/UniversityAndHigherEducation/StudentFinance/Typesoffinance/DG_171503,https://www.gov.uk/browse/education/student-finance,301,,
  http://www.direct.gov.uk/en/Employment/Employees/TheNationalMinimumWage/DG_175112,https://www.gov.uk/your-right-to-minimum-wage/worker-disputes-over-minimum-wage,301,,
  
negative.code: http://www.direct.gov.uk/en/Motoring/BuyingAndSellingAVehicle/AdviceOnBuyingAndSellingAVehicle/index.htm,,410,http://www.adviceguide.org.uk/,
  http://www.direct.gov.uk/en/Dl1/Directories/DG_1000006201,,410,,
  http://www.direct.gov.uk/en/Dl1/Directories/UsefulContactsByCategory/EmploymentContacts/DG_172106,,410,,
  http://www.direct.gov.uk/en/Motoring/OwningAVehicle/AdviceOnKeepingYourVehicle/index.htm,,410,,
  http://www.direct.gov.uk/en/Governmentcitizensandrights/Consumerrights/Yourconsumerrightswhenbuyinggoodsandservices/Adviceonmobileandlandlinecharges/index.htm,,410,,
  http://www.direct.gov.uk/en/Governmentcitizensandrights/Consumerrights/Yourconsumerrightswhenbuyinggoodsandservices/Adviceonmobileandlandlinecharges/DG_WP189643,,410,http://www.phonepayplus.org.uk/For-the-Public.aspx,
  http://www.direct.gov.uk/en/HomeAndCommunity/InYourHome/Dealingwithemergencies/Preparingforemergencies/DG_175918,,410,,
  