anchor.diff:  http://www.direct.gov.uk/en/Motoring/LearnerAndNewDrivers/TheoryTest/DG_4022534,301,https://www.gov.uk/driving-theory-test/how-the-theory-test-works
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/On_a_low_income/DG_10018905,301,https://www.gov.uk/budgeting-loans
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/Illorinjured/DG_10018913,301,https://www.gov.uk/incapacity-benefit
  -http://www.direct.gov.uk/en/Employment/Employees/EmploymentContractsAndConditions/DG_10027905,301,https://www.gov.uk/employment-contracts-and-conditions/overview
  +http://www.direct.gov.uk/en/Employment/Employees/EmploymentContractsAndConditions/DG_10027905,301,https://www.gov.uk/employment-contracts-and-conditions
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/On_a_low_income/index.htm,301,https://www.gov.uk/browse/benefits/jobseekers-allowance
  -http://www.direct.gov.uk/en/Employment/RedundancyAndLeavingYourJob/Redundancy/DG_10026616,301,https://www.gov.uk/redundant-your-rights/overview
  +http://www.direct.gov.uk/en/Employment/RedundancyAndLeavingYourJob/Redundancy/DG_10026616,301,https://www.gov.uk/redundant-your-rights
   http://www.direct.gov.uk/en/Governmentcitizensandrights/Registeringlifeevents/Familyhistoryandresearch/DG_175464,301,https://www.gov.uk/research-family-history-general-register-office
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/Employedorlookingforwork/index.htm,301,https://www.gov.uk/browse/working
   http://www.direct.gov.uk/en/EducationAndLearning/14To19/MoneyToLearn/16to19bursary/index.htm,301,https://www.gov.uk/1619-bursary-fund
   http://www.direct.gov.uk/en/EducationAndLearning/UniversityAndHigherEducation/StudentFinance/StudentsFromOtherEUCountries/index.htm,301,https://www.gov.uk/student-finance
   http://www.direct.gov.uk/en/TravelAndTransport/Passports/Loststolenordamagedpassports/DG_174163,301,https://www.gov.uk/report-a-lost-or-stolen-passport
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/Caringforsomeone/DG_10018921,301,https://www.gov.uk/community-care-grant
  -http://www.direct.gov.uk/en/Employment/Employees/WorkingHoursAndTimeOff/DG_10029426,301,https://www.gov.uk/maximum-weekly-working-hours/overview
  -http://www.direct.gov.uk/en/Motoring/LearnerAndNewDrivers/RidingMotorcyclesAndMopeds/DG_4022430,301,https://www.gov.uk/cbt-compulsory-basic-training/overview
  +http://www.direct.gov.uk/en/Employment/Employees/WorkingHoursAndTimeOff/DG_10029426,301,https://www.gov.uk/maximum-weekly-working-hours
  +http://www.direct.gov.uk/en/Motoring/LearnerAndNewDrivers/RidingMotorcyclesAndMopeds/DG_4022430,301,https://www.gov.uk/cbt-compulsory-basic-training
   http://www.direct.gov.uk/en/Pensionsandretirementplanning/Companyandpersonalpensions/WorkplacePensions/DG_183783,301,https://www.gov.uk/workplace-pensions
   http://www.direct.gov.uk/en/Pensionsandretirementplanning/PensionCredit/index.htm,301,https://www.gov.uk/pension-credit
   http://www.direct.gov.uk/en/TravelAndTransport/Passports/Applyingforyourfirstadultpassport/DG_174100,301,https://www.gov.uk/apply-first-adult-passport
  -http://www.direct.gov.uk/en/HomeAndCommunity/YourlocalcouncilandCouncilTax/CouncilTax/DG_10037422,301,https://www.gov.uk/council-tax/working-out-your-council-tax
  +http://www.direct.gov.uk/en/HomeAndCommunity/YourlocalcouncilandCouncilTax/CouncilTax/DG_10037422,301,https://www.gov.uk/council-tax
   http://www.direct.gov.uk/en/Dl1/Directories/DG_10011018,301,https://www.gov.uk/contact-jobcentre-plus
   http://www.direct.gov.uk/en/Motoring/OwningAVehicle/ChangesToYourRegistrationCertificate/index.htm,301,https://www.gov.uk/browse/driving/number-plate
   http://www.direct.gov.uk/en/Nl1/Newsroom/DG_185398,301,https://www.gov.uk/when-do-the-clocks-change
   http://www.direct.gov.uk/en/Employment/Employees/Timeoffandholidays/index.htm,301,https://www.gov.uk/browse/working/time-off
   http://www.direct.gov.uk/en/Employment/RedundancyAndLeavingYourJob/index.htm,301,https://www.gov.uk/browse/working/redundancies-dismissals
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/TaxCredits/Gettingstarted/whoqualifies/index.htm,301,https://www.gov.uk/browse/benefits/tax-credits
  -http://www.direct.gov.uk/en/MoneyTaxAndBenefits/ManagingDebt/Makingacourtclaimformoney/DG_195118,301,https://www.gov.uk/make-court-claim-for-money/overview
  +http://www.direct.gov.uk/en/MoneyTaxAndBenefits/ManagingDebt/Makingacourtclaimformoney/DG_195118,301,https://www.gov.uk/make-court-claim-for-money
   http://www.direct.gov.uk/en/Diol1/DoItOnline/Doitonlinemotoring/DG_197298?CID=MTB&PLA=url_mon&CRE=change_theory_test,301,https://www.gov.uk/browse/driving/learning-to-drive
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/Caringforsomeone/DG_10012525,301,https://www.gov.uk/carers-allowance/eligibility
   http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/Disabledpeople/DG_10011816,301,https://www.gov.uk/dla-disability-living-allowance-benefit/eligibility
   http://www.direct.gov.uk/en/Motoring/DriverLicensing/MedicalRulesForDrivers/index.htm,301,https://www.gov.uk/browse/driving/disability-health-condition
   http://www.direct.gov.uk/en/Employment/HealthAndSafetyAtWork/DG_4016686,410,
   http://www.direct.gov.uk/en/Motoring/OwningAVehicle/Mot/DG_4022109,301,https://www.gov.uk/getting-an-mot
  -http://www.direct.gov.uk/en/Motoring/DriverLicensing/EndorsementsAndDisqualifications/DG_4022550,301,https://www.gov.uk/penalty-points-endorsements/overview
  +http://www.direct.gov.uk/en/Motoring/DriverLicensing/EndorsementsAndDisqualifications/DG_4022550,301,https://www.gov.uk/penalty-points-endorsements
   http://www.direct.gov.uk/en/Employment/RedundancyAndLeavingYourJob/Redundancy/index.htm,301,https://www.gov.uk/browse/working/redundancies-dismissals
   http://www.direct.gov.uk/en/Motoring/DriverLicensing/WhatCanYouDriveAndYourObligations/index.htm,301,https://www.gov.uk/vehicles-you-can-drive
   http://www.direct.gov.uk/en/Diol1/DoItOnline/DG_4017782,410,
  -http://www.direct.gov.uk/en/Governmentcitizensandrights/Divorceseparationandrelationshipbreakdown/Endingamarriageorcivilpartnership/Gettingadivorce/index.htm,301,https://www.gov.uk/divorce/overview
  +http://www.direct.gov.uk/en/Governmentcitizensandrights/Divorceseparationandrelationshipbreakdown/Endingamarriageorcivilpartnership/Gettingadivorce/index.htm,301,https://www.gov.uk/divorce
   http://www.direct.gov.uk/en/Motoring/Motoringtransactions/BeforeyouapplyA/DG_066954,301,https://www.gov.uk/exchange-paper-driving-licence-photocard-licence
   http://www.direct.gov.uk/en/Motoring/OwningAVehicle/Mot/DG_4022108,301,https://www.gov.uk/browse/driving/mot-insurance
   http://www.direct.gov.uk/en/TravelAndTransport/Passports/Applicationinformation/DG_181663,410,
  
positive.code: http://www.direct.gov.uk/en/Motoring/OwningAVehicle/HowToTaxYourVehicle/DG_10012524,301,https://www.gov.uk/calculate-vehicle-tax-rates
  http://www.direct.gov.uk/en/Employment/Jobseekers/ContactJobcentrePlus/DG_186347,301,https://www.gov.uk/contact-jobcentre-plus
  http://www.direct.gov.uk/en/Employment/Jobseekers/LookingForWork/index.htm,301,https://www.gov.uk/browse/working/finding-job
  http://www.direct.gov.uk/en/Diol1/DoItOnline/Doitonlinemotoring/DG_197300,301, https://www.gov.uk/browse/driving/learning-to-drive
  http://www.direct.gov.uk/en/Diol1/DoItOnline/Doitonlinemotoring/DG_197297?CID=MTB&PLA=url_mon&CRE=book_theory_test,301,https://www.gov.uk/book-a-driving-theory-test
  http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/index.htm,301,https://www.gov.uk/browse/benefits
  http://www.direct.gov.uk/en/motoring/motoringtransactions/beforeyouapplyd/dg_10034732,301,https://www.gov.uk/car-tax-disc-vehicle-licence
  
negative.code: http://www.direct.gov.uk/en/MoneyTaxAndBenefits/BenefitsTaxCreditsAndOtherSupport/On_a_low_income/DG_10018708,301,https://www.gov.uk/income-support
  http://www.direct.gov.uk/en/Diol1/DoItOnline/Doitonlinemotoring/DG_4017669,301,https://www.gov.uk/practise-your-driving-theory-test
  http://www.direct.gov.uk/en/Motoring/OwningAVehicle/HowToTaxYourVehicle/DG_069680,301,https://www.gov.uk/car-tax-disc-vehicle-licence-using-form-v10
  http://www.direct.gov.uk/en/Pensionsandretirementplanning/StatePension/DG_184319,301,https://www.gov.uk/calculate-state-pension
  http://www.direct.gov.uk/en/Motoring/LearnerAndNewDrivers/PracticalTest/index.htm,301,https://www.gov.uk/browse/driving/learning-to-drive
  http://www.direct.gov.uk/en/Motoring/DriverLicensing/index.htm,301,https://www.gov.uk/browse/driving/driving-licences
  http://www.direct.gov.uk/en/DisabledPeople/index.htm,301,https://www.gov.uk/browse/disabilities
  