anchor.diff:  1,Mossley Hill,E08000012,Liverpool,MTD,E05000902,
   1,Mossley,E08000008,Tameside,MTD,E05000815,
   1,Moston,E08000003,Manchester,MTD,E05000711,
  -1,Moulton,E07000151,Daventry,DIS,E05009020,
   1,Myton,E06000010,Kingston upon Hull,UTA,E05001677,
   1,Nailsworth,E07000082,Stroud,DIS,E05010980,
   1,Nechells,E08000025,Birmingham,MTD,E05001197,
  
positive.code: 1,Letchworth Wilbury,E07000099,North Hertfordshire,DIS,E05004780,
  1,Levens,E07000031,South Lakeland,DIS,E05003261,
  1,Levenshulme,E08000003,Manchester,MTD,E05000707,
  1,Lickhill,E07000239,Wyre Forest,DIS,E05010509,
  1,Linacre,E08000014,Sefton,MTD,E05000942,
  1,Lindley,E08000034,Kirklees,MTD,E05001407,
  1,Linton,E07000012,South Cambridgeshire,DIS,E05002808,
  
negative.code: 1,Wakefield South,E08000036,Wakefield,MTD,E05001462,
  1,Wakefield West,E08000036,Wakefield,MTD,E05001463,
  1,Walcot and Park North,E06000030,Swindon,UTA,E05008971,
  1,Walkden North,E08000006,Salford,MTD,E05000774,
  1,Walkden South,E08000006,Salford,MTD,E05000775,
  1,Walker,E08000021,Newcastle upon Tyne,MTD,E05001108,
  