anchor.diff:  http://www.direct.gov.uk/d1form,https://www.gov.uk/exchange-paper-driving-licence-photocard-licence,301,,
   http://www.direct.gov.uk/dadsatwork,https://www.gov.uk/paternityleave/overview,301,,
   http://www.direct.gov.uk/danceanddrama,https://www.gov.uk/grant-bursary-adult-learners,301,,
  -http://www.direct.gov.uk/danceanddrama/,https://www.gov.uk/grant-bursary-adult-learners,301,,
   http://www.direct.gov.uk/dancing,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/EducationAndLearning/UniversityAndHigherEducation/ApplyingForAHigherEducationCourse/DG_10013213
   http://www.direct.gov.uk/death,https://www.gov.uk/after-a-death/overview,301,,
   http://www.direct.gov.uk/death-tellusonce,https://www.gov.uk/tell-us-once,301,,
  
positive.code: http://www.direct.gov.uk/gotouni,https://www.gov.uk/browse/education,301,,
  http://www.direct.gov.uk/graduatejobs,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/EducationAndLearning/UniversityAndHigherEducation/ChoicesAfterYouGraduate/DG_178904
  http://www.direct.gov.uk/graduates,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/EducationAndLearning/UniversityAndHigherEducation/ChoicesAfterYouGraduate/index.htm
  http://www.direct.gov.uk/graduates/,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/EducationAndLearning/UniversityAndHigherEducation/ChoicesAfterYouGraduate/index.htm
  http://www.direct.gov.uk/graduatetalentpool,http://graduatetalentpool.direct.gov.uk,301,,
  http://www.direct.gov.uk/graduatetalentpool/,http://graduatetalentpool.direct.gov.uk,301,,
  http://www.direct.gov.uk/green-deal,https://www.gov.uk/green-deal-energy-saving-measures,301,,
  http://www.direct.gov.uk/greendeal,https://www.gov.uk/green-deal-energy-saving-measures,301,,
  http://www.direct.gov.uk/greenergarden,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/Environmentandgreenerliving/Greenerhomeandgarden/Greenergarden/index.htm
  
negative.code: http://www.direct.gov.uk/motorcycle,https://www.gov.uk/ride-motorcycle-moped,301,,
  http://www.direct.gov.uk/motorcycletest,https://www.gov.uk/motorcycle-practical-test,301,,
  http://www.direct.gov.uk/motoring,https://www.gov.uk/browse/driving,301,,
  http://www.direct.gov.uk/motoringcontacts,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/Dl1/Directories/UsefulContactsByCategory/MotoringContacts/index.htm
  http://www.direct.gov.uk/motoringforms,https://www.gov.uk/browse/driving,301,,
  http://www.direct.gov.uk/motoringleaflet,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/Diol1/DoItOnline/Doitonlinemotoring/DG_10031646
  