anchor.diff:  46051,VIC
   45753,VIC
   45708,VIC
  +45668,VIC
   45650,VIC
  -45668,VIC
  +47837,QLD
   48945,WA
  -47837,QLD
   49692,SA
   52439,NSW
   45855,VIC
  +52979,VIC
   49965,ACT
   43133,NSW
   45869,VIC
  
positive.code: 44695,VIC
  44093,VIC
  44900,VIC
  50559,NSW
  52855,WA
  46625,QLD
  41894,NSW
  42566,NSW
  42977,NSW
  46847,QLD
  49440,SA
  42978,NSW
  
negative.code: 40968,QLD
  47861,QLD
  48860,WA
  45732,VIC
  45972,VIC
  43547,NSW
  43680,NSW
  43317,NSW
  