anchor.diff:  http://www.direct.gov.uk/homepage,https://www.gov.uk,301,,
   http://www.direct.gov.uk/homepage/cy,https://www.gov.uk/cymraeg,301,,
   http://www.direct.gov.uk/homepage/fs/cy,https://www.gov.uk/cymraeg,301,,
  -http://www.direct.gov.uk/homepage/fs/en,https://www.gov.uk/,301,,
  +http://www.direct.gov.uk/homepage/fs/en,https://www.gov.uk,301,,
   http://www.direct.gov.uk/homesecurity,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/CrimeJusticeAndTheLaw/Typesofcrime/DG_182053
   http://www.direct.gov.uk/homeselling,https://www.gov.uk/browse/housing,301,,
   http://www.direct.gov.uk/homeworksupport,,410,,http://webarchive.nationalarchives.gov.uk/20121015000000/www.direct.gov.uk/en/Parents/Schoolslearninganddevelopment/HelpingYourChildToLearn/DG_185973
  
positive.code: http://www.direct.gov.uk/en/governmentcitizensandrights/yourrightsandresponsibilities/freedomofinformationanddataprotection/dg_191333,https://www.gov.uk/make-a-freedom-of-information-request/if-your-request-is-turned-down,301,,
  http://www.direct.gov.uk/en/governmentcitizensandrights/yourrightsandresponsibilities/freedomofinformationanddataprotection/dg_4003239,https://www.gov.uk/make-a-freedom-of-information-request/the-freedom-of-information-act,301,,
  http://www.direct.gov.uk/en/governmentcitizensandrights/yourrightsandresponsibilities/freedomofinformationanddataprotection/index.htm,https://www.gov.uk/make-a-freedom-of-information-request/the-freedom-of-information-act,301,,
  http://www.direct.gov.uk/en/governmentcitizensandrights/yourrightsandresponsibilities/index.htm,https://www.gov.uk/,301,,
  http://www.direct.gov.uk/en/governmentcitizensandrights/yourrightsandresponsibilities/makingcomplaints-yourrights/dg_066965,,410,,
  http://www.direct.gov.uk/en/governmentcitizensandrights/yourrightsandresponsibilities/makingcomplaints-yourrights/dg_10013518,,410,http://www.ombudsman.org.uk/,
  http://www.direct.gov.uk/en/governmentcitizensandrights/yourrightsandresponsibilities/makingcomplaints-yourrights/dg_177951,https://www.gov.uk/complain-judge-magistrate-tribunal-coroner,301,,
  
negative.code: http://www.direct.gov.uk/en/moneytaxandbenefits/childbenefitandchildtrustfund/childtrustfund/whenthechildtrustfundisupandrunning/dg_193679,https://www.gov.uk/child-trust-funds/adding-money-to-the-account,301,,
  http://www.direct.gov.uk/en/moneytaxandbenefits/childbenefitandchildtrustfund/childtrustfund/whenthechildtrustfundisupandrunning/index.htm,https://www.gov.uk/child-trust-funds/managing-the-account,301,,
  http://www.direct.gov.uk/en/moneytaxandbenefits/childbenefitandchildtrustfund/index.htm,https://www.gov.uk/browse/benefits,301,,
  http://www.direct.gov.uk/en/moneytaxandbenefits/dg_120,https://www.gov.uk,301,,
  http://www.direct.gov.uk/en/moneytaxandbenefits/dg_171086,https://www.gov.uk/unclaimed-estates-bona-vacantia,301,,
  http://www.direct.gov.uk/en/moneytaxandbenefits/index.htm,https://www.gov.uk,301,,
  http://www.direct.gov.uk/en/moneytaxandbenefits/managingdebt/bankruptcy/dg_187323,https://www.gov.uk/bankruptcy/overview,301,,
  