anchor.diff:  1,Yateley East,E07000089,Hart,DIS,E05009361,
   1,Yateley West,E07000089,Hart,DIS,E05009362,
   1,Yaxley and Farcet,E07000011,Huntingdonshire,DIS,E05002790,
  -1,Yelvertoft,E07000151,Daventry,DIS,E05009027,
   1,Yew Tree,E08000012,Liverpool,MTD,E05000915,
   1,Yewdale,E07000028,Carlisle,DIS,E05003179,
   2,"Randwick, Whiteshill and Ruscombe",E07000082,Stroud,DIS,E05010982,
  
positive.code: 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,
  
negative.code: 1,Park,E08000033,Calderdale,MTD,E05001380,
  1,Parklands,E08000021,Newcastle upon Tyne,MTD,E05001105,
  1,Parr,E08000013,St Helens,MTD,E05000924,
  1,Pateley Bridge,E07000165,Harrogate,DIS,E05006260,
  1,Paulsgrove,E06000044,Portsmouth,UTA,E05002452,
  1,Peartree,E06000045,Southampton,UTA,E05002464,
  