anchor.diff:  11500,St. Louis et Parahou
   68300,St. Louis la Chaussee
   57620,St. Louis les Bitche
  -3150,St. Loup
  +03150,St. Loup
   17380,St. Loup
   23130,St. Loup
   28360,St. Loup
  
positive.code: 95850,Jagny sous Bois
  77440,Jaignes
  26300,Jaillans
  1120,Jailleux
  54200,Jaillon
  58330,Jailly
  21150,Jailly les Moulins
  
negative.code: 79110,Pioussay
  35550,Pipriac
  82130,Piquecos
  01270,Pirajoux
  35150,Pire sur Seiche
  25480,Pirey
  44420,Piriac sur Mer
  