anchor.diff:  1,Swindon Village,E07000078,Cheltenham,DIS,E05004305,
   1,Up Hatherley,E07000078,Cheltenham,DIS,E05004306,
   1,Warden Hill,E07000078,Cheltenham,DIS,E05004307,
  -2,Barnwood,E07000081,Gloucester,DIS,E05004364,n
  -3,Barton and Tredworth,E07000081,Gloucester,DIS,E05004365,n
  -2,Elmbridge,E07000081,Gloucester,DIS,E05004366,n
  -2,Grange,E07000081,Gloucester,DIS,E05004367,n
  -2,Hucclecote,E07000081,Gloucester,DIS,E05004368,n
  -2,Kingsholm and Wotton,E07000081,Gloucester,DIS,E05004369,n
  -3,Longlevens,E07000081,Gloucester,DIS,E05004370,n
  -3,Matson and Robinswood,E07000081,Gloucester,DIS,E05004371,n
  -3,Moreland,E07000081,Gloucester,DIS,E05004372,n
  -1,Podsmead,E07000081,Gloucester,DIS,E05004373,n
  -2,Quedgeley Fieldcourt,E07000081,Gloucester,DIS,E05004374,n
  -2,Quedgeley Severn Vale,E07000081,Gloucester,DIS,E05004375,n
  -2,Tuffley,E07000081,Gloucester,DIS,E05004376,n
  -3,Westgate,E07000081,Gloucester,DIS,E05004377,n
  -1,Amberley and Woodchester,E07000082,Stroud,DIS,E05004378,n
  -1,Bisley,E07000082,Stroud,DIS,E05004380,n
  -3,Cainscross,E07000082,Stroud,DIS,E05004381,n
  -2,Cam East,E07000082,Stroud,DIS,E05004382,n
  -2,Cam West,E07000082,Stroud,DIS,E05004383,n
  -3,Chalford,E07000082,Stroud,DIS,E05004385,n
  -1,Coaley and Uley,E07000082,Stroud,DIS,E05004386,n
  -3,Dursley,E07000082,Stroud,DIS,E05004387,n
  -3,Hardwicke,E07000082,Stroud,DIS,E05004390,n
  -1,Kingswood,E07000082,Stroud,DIS,E05004391,n
  -2,Minchinhampton,E07000082,Stroud,DIS,E05004392,n
  -3,Nailsworth,E07000082,Stroud,DIS,E05004393,n
  -1,"Randwick, Whiteshill and Ruscombe",E07000082,Stroud,DIS,E05004394,n
  -2,Rodborough,E07000082,Stroud,DIS,E05004396,n
  -2,Severn,E07000082,Stroud,DIS,E05004397,n
  -3,Stonehouse,E07000082,Stroud,DIS,E05004399,n
  -2,The Stanleys,E07000082,Stroud,DIS,E05004400,n
  -1,Thrupp,E07000082,Stroud,DIS,E05004401,n
  -3,Wotton-under-Edge,E07000082,Stroud,DIS,E05004407,n
   1,Basing,E07000084,Basingstoke and Deane,DIS,E05004430,
   1,Baughurst and Tadley North,E07000084,Basingstoke and Deane,DIS,E05004431,
   1,Brighton Hill South,E07000084,Basingstoke and Deane,DIS,E05004433,
  
positive.code: 1,Wigan West,E08000010,Wigan,MTD,E05000862,
  1,Winstanley,E08000010,Wigan,MTD,E05000863,
  1,Worsley Mesnes,E08000010,Wigan,MTD,E05000864,
  3,Cherryfield,E08000011,Knowsley,MTD,E05000865,n
  3,Halewood North,E08000011,Knowsley,MTD,E05000866,n
  3,Halewood South,E08000011,Knowsley,MTD,E05000867,n
  3,Northwood,E08000011,Knowsley,MTD,E05000871,n
  3,Page Moss,E08000011,Knowsley,MTD,E05000872,n
  3,Roby,E08000011,Knowsley,MTD,E05000876,n
  3,St Gabriels,E08000011,Knowsley,MTD,E05000878,n
  3,St Michaels,E08000011,Knowsley,MTD,E05000879,n
  3,Shevington,E08000011,Knowsley,MTD,E05000880,n
  3,Stockbridge,E08000011,Knowsley,MTD,E05000881,n
  3,Swanside,E08000011,Knowsley,MTD,E05000882,n
  1,Allerton and Hunts Cross,E08000012,Liverpool,MTD,E05000886,
  1,Anfield,E08000012,Liverpool,MTD,E05000887,
  1,Belle Vale,E08000012,Liverpool,MTD,E05000888,
  
negative.code: 1,St Mary's,E07000069,Castle Point,DIS,E05004093,
  1,St Peter's,E07000069,Castle Point,DIS,E05004094,
  1,Victoria,E07000069,Castle Point,DIS,E05004095,
  1,Buckhurst Hill East,E07000072,Epping Forest,DIS,E05004148,
  1,Buckhurst Hill West,E07000072,Epping Forest,DIS,E05004149,
  1,Chigwell Row,E07000072,Epping Forest,DIS,E05004150,
  