anchor.diff:  Madrid,Spain,40.25,-3.42,black,5,,,,
   Madrid,Spain,40.25,-3.42,white,2,,,,
   Brasilla,Brazil,-15.49,-47.51,black,5,,,,
  -Brasilla,Brazil,-15.49,-47.51,white,2,,,,+Brasilla,Brazil,-15.49,-47.51,white,2,,,,
  
positive.code: place,country,lat,lon,color,radius,,,,
  Devon,UK,50.77,-3.99,black,5,,,,
  Devon,UK,50.77,-3.99,white,2,,,,
  Chicago,USA,41.88,-87.63,black,5,,,,
  Chicago,USA,41.88,-87.63,white,2,,,,
  Dubai,Dubai,25.2,55.27,black,5,,,,
  Dubai,Dubai,25.2,55.27,white,2,,,,
  Leeds,UK,53.8,-1.55,black,5,,,,
  
negative.code: Seoul,"Korea, Republic of",37.57,126.98,white,2,,,,
  Trento,Italy,46.07,11.12,black,5,,,,
  Trento,Italy,46.07,11.12,white,2,,,,
  Gothenburg,Sweeden,57.71,11.97,black,5,,,,
  Gothenburg,Sweeden,57.71,11.97,white,2,,,,
  St.Petersburg,Russia,55.76,37.62,black,5,,,,
  