anchor.diff:  KATSINA,KT,BINDAWA,05,TAMA/DAYE,03
   KATSINA,KT,BINDAWA,05,FARU/DALLAJI,04
   KATSINA,KT,BINDAWA,05,SHIBDAWA,05
  -KATSINA,KT,BINDAWA,05,"JIBAWA/R,BADE"
  +KATSINA,KT,BINDAWA,05,"JIBAWA/R,BADE", 06
   KATSINA,KT,BINDAWA,05,DORO,07
   KATSINA,KT,BINDAWA,05,BAURE,08
   KATSINA,KT,BINDAWA,05,YANGORA,09
  
positive.code: LAGOS,LA,ETI-OSA,08,IKOYI II,09
  LAGOS,LA,ETI-OSA,08,OBALENDE,10
  LAGOS,LA,IBEJU/LEKKI,09,IBEJU I,01
  LAGOS,LA,IBEJU/LEKKI,09,"N2, (IBEJU II)"
  LAGOS,LA,IBEJU/LEKKI,09,ORIMEDU I,03
  LAGOS,LA,IBEJU/LEKKI,09,"02, (ORIMEDU II)"
  LAGOS,LA,IBEJU/LEKKI,09,"03, (ORIMEDU III)"
  LAGOS,LA,IBEJU/LEKKI,09,"P1, (IWEREKUN I)"
  LAGOS,LA,IBEJU/LEKKI,09,IWEREKUN II,07
  LAGOS,LA,IBEJU/LEKKI,09,"S1, (LEKKI I)"
  LAGOS,LA,IBEJU/LEKKI,09,LEKKI II,09
  LAGOS,LA,IBEJU/LEKKI,09,"S2, (SIRIWON/IGBEKODO I)"
  LAGOS,LA,IBEJU/LEKKI,09,"S,2a (SIRIWON/IGBEKODO II)"
  LAGOS,LA,IFAKO-IJAYE,10,IJAYE,01
  LAGOS,LA,IFAKO-IJAYE,10,OLD IFAKO/KARAOLE,02
  LAGOS,LA,IFAKO-IJAYE,10,NEW IFAKO/OYEMEKUN,03
  
negative.code: OYO,OY,EGBEDA,05,OLODE/ALAKIA,10
  OYO,OY,EGBEDA,05,OLUBADAN ESTATE,11
  OYO,OY,IBADAN NORTH,06,WARD I N2,01
  OYO,OY,IBADAN NORTH,06,"WARD II, N3",02
  OYO,OY,IBADAN NORTH,06,"WARD III, N4",03
  OYO,OY,IBADAN NORTH,06,"WARD IV, N5A",04
  OYO,OY,IBADAN NORTH,06,"WARD V, N5B",05
  OYO,OY,IBADAN NORTH,06,"WARD VI, N6A PART I",06
  OYO,OY,IBADAN NORTH,06,"WARD VII, N6A PART II",07
  OYO,OY,IBADAN NORTH,06,"WARD VIII, N6A PART III",08
  OYO,OY,IBADAN NORTH,06,"WARD IX, (N6B PART I)",09
  OYO,OY,IBADAN NORTH,06,"WARD X, N6B PART II",10
  OYO,OY,IBADAN NORTH,06,"WARD XI, NW8",11
  OYO,OY,IBADAN NORTH,06,"WARD XII, NW8",12
  OYO,OY,IBADAN NORTH EAST,07,WARD I. EI,01
  OYO,OY,IBADAN NORTH EAST,07,WARD 2 NI (PART II),02
  OYO,OY,IBADAN NORTH EAST,07,III E3,03
  