anchor.diff:  OSUN,OS,IFELODUN,14,OWODE IKIRUN,03
   OSUN,OS,IFELODUN,14,ISALE/OKE AFO,04
   OSUN,OS,IFELODUN,14,IKIRUN RURAL,05
  -OSUN,OS,IFELODUN,14,"STATION ROAD, IKIRUN"
  +OSUN,OS,IFELODUN,14,"STATION ROAD, IKIRUN",06
   OSUN,OS,IFELODUN,14,OKEBA IKIRUN,07
   OSUN,OS,IFELODUN,14,OLONDE IKIRUN,08
   OSUN,OS,IFELODUN,14,IBA I,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: AKWA IBOM,AK,UKANAFUN,28,NORTHERN UKANAFUN II,05
  AKWA IBOM,AK,UKANAFUN,28,NORTHERN AFAHA I,06
  AKWA IBOM,AK,UKANAFUN,28,NORTHERN AFAHA II,07
  AKWA IBOM,AK,UKANAFUN,28,"SOUTHERN AFAHA, ADAT IFANG I",08
  AKWA IBOM,AK,UKANAFUN,28,"SOUTHERN AFAHA, ADAT IFANG II",09
  AKWA IBOM,AK,UKANAFUN,28,"SOUTHERN AFAHA, ADAT IFANG III",10
  AKWA IBOM,AK,UKANAFUN,28,"SOUTHERN AFAHA, ADAT IFANG IV",11
  AKWA IBOM,AK,URUAN,29,CENTYRAL URUAN I,01
  AKWA IBOM,AK,URUAN,29,CENTRAL URUAN II,02
  AKWA IBOM,AK,URUAN,29,CENTYRAL URUAN III,03
  