anchor.diff:  127,137,"Bunsenstr., Köln-Godorf",6.9752009,50.8535978
   128,138,"Friedhof Godorf, Köln",6.9710640,50.8503780
   129,139,"Immendorf Siedlung, Köln",6.9655578,50.8538257
  +130,140,"Immendorf, Köln",6.9595277,50.8585142
   131,141,"Zaunhof, Köln-Immendorf",6.9550434,50.8603244
   132,142,"Mohnweg, Köln-Junkersdorf",6.8554011,50.9379697
   133,143,"Universitätsstr., Köln-Lindenthal",6.9246519,50.9366582
  
positive.code: 774,821,"Gauweg, Köln-Buchheim",7.0272898,50.9625678
  775,822,"Pasteurstr., Köln-Niehl",6.9768255,50.9715704
  776,823,"Göttinger Str., Köln-Weiden",6.8393251,50.9356317
  778,825,"Wilhelmstr., Köln-Nippes",6.9518696,50.9618538
  779,826,"Cranachstr., Köln-Nippes",6.9540357,50.9611723
  780,827,"Beuelsweg, Köln-Nippes",6.9601372,50.9629788
  
negative.code: 93,102,"Friedhof Steinneuerhof, Köln-Rondorf",6.9374537,50.8734606
  94,103,"Kirschbaumweg, Köln-Hahnwald",6.9934863,50.8728097
  95,104,"Mannesmannstr., Köln-Hahnwald",6.9912997,50.8687878
  96,105,"Hahnwald, Köln",6.9779994,50.8700331
  97,106,"Rodenkirchen Bf, Köln",6.9900637,50.8909093
  98,107,"Siegstr. (Stadtbahn), Köln-Rodenkirchen",6.9946553,50.8833256
  99,108,"Michaelshoven, Köln-Rodenkirchen",6.9989244,50.8762668
  