anchor.diff:  http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/oppc/oppc.aspx,https://www.gov.uk/oil-and-gas-offshore-environmental-legislation,301
   http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/oprc.aspx,,410
   http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/oprc/oprc.aspx,https://www.gov.uk/oil-and-gas-offshore-emergency-response-legislation,301
  -http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/__c_bustor_jpg/__c_bustor_jpg.aspx?template=lite,,410
  -http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/_cannonox_jpg/_cannonox_jpg.aspx?template=lite,,410
  -http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/_cmw_r6_4_gif_/_cmw_r6_4_gif_.aspx?template=lite,,410
  -http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/_rr_co_3_jpg/_rr_co_3_jpg.aspx?template=lite,,410
  +http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/__c_bustor_jpg/__c_bustor_jpg.aspx,,410
  +http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/_cannonox_jpg/_cannonox_jpg.aspx,,410
  +http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/_cmw_r6_4_gif_/_cmw_r6_4_gif_.aspx,,410
  +http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/_rr_co_3_jpg/_rr_co_3_jpg.aspx,,410
   http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/guidance/guidance.aspx,,410
   http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/ppc.aspx,https://www.gov.uk/oil-and-gas-offshore-environmental-legislation,301
  -http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/rb211sil_jpg/rb211sil_jpg.aspx?template=lite,,410
  -http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/tornado1_jpg/tornado1_jpg.aspx?template=lite,,410
  +http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/rb211sil_jpg/rb211sil_jpg.aspx,,410
  +http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/ppc/tornado1_jpg/tornado1_jpg.aspx,,410
   http://og.decc.gov.uk/en/olgs/cms/environment/leg_guidance/reach/reach.aspx,https://www.gov.uk/oil-and-gas-legislation-on-emissions-and-releases,301
   http://og.decc.gov.uk/en/olgs/cms/environment/operatorship/operatorship.aspx,https://www.gov.uk/oil-and-gas-operatorship,301
   http://og.decc.gov.uk/en/olgs/cms/environment/operatorship/seas/seas.aspx,https://www.gov.uk/oil-and-gas-operatorship,301
  
positive.code: http://og.decc.gov.uk/en/olgs/cms/techpapers/consultations,,410
  http://og.decc.gov.uk/en/olgs/pons_and_cop/pons/pons.aspx,,410
  http://og.decc.gov.uk/en/search.aspx,,410
  http://og.decc.gov.uk/en/searchresults.aspx?q=guidance+for+operators+nuclear,,410
  http://og.decc.gov.uk/en/sitemap.aspx,,410
  http://og.decc.gov.uk/en/upsteam/licensing,,410
  http://og.decc.gov.uk/en/upsteam/licensing/overview.htm,,410
  
negative.code: http://og.decc.gov.uk/en/olgs/cms/explorationpro/infra%20guidance/imfra%20guidance.aspx,,410
  http://og.decc.gov.uk/en/olgs/cms/explorationpro/infra_,,410
  http://og.decc.gov.uk/en/olgs/cms/explorationpro/infra_guidance/infra_guidance.aspx,https://www.gov.uk/oil-and-gas-infrastructure,301
  http://og.decc.gov.uk/en/olgs/cms/explorationpro/infra_guidance/pipelines,,410
  http://og.decc.gov.uk/en/olgs/cms/explorationpro/infra_guidance/pipelines/gd_1962/appendix_4/appendix_4.aspx,,410
  http://og.decc.gov.uk/en/olgs/cms/explorationpro/infra_guidance/pipelines/gd_1962/gd_1962.aspx,,410
  