anchor.diff:  635,1991,boca juniors,1,0,river plate
   636,1991,newell's old boys,1,0,chaco for ever
   637,1991,san lorenzo,1,0,independiente
  -638,1991,platense,1,1,union (sta fe)
  +638,1991,platense,1,1,union (santa fe)
   639,1991,argentinos juniors,0,0,huracan
   640,1991,huracan,0,0,estudiantes (lp)
  -641,1991,union (sta fe),3,1,argentinos juniors
  +641,1991,union (santa fe),3,1,argentinos juniors
   642,1991,independiente,5,1,platense
   643,1991,chaco for ever,0,0,san lorenzo
   644,1991,river plate,1,1,newell's old boys
  
positive.code: 901,1992,gimnasia y esgrima (lp),0,2,san lorenzo
  902,1992,depmandiyu (ctes),0,0,river plate
  903,1992,independiente,1,0,dep espanol
  904,1992,union (sta fe),0,0,boca juniors
  905,1992,quilmes,0,0,rosario central
  906,1992,platense,2,1,racing club
  907,1992,argentinos juniors,0,0,gimnasia y esgrima (lp)
  
negative.code: 5,1990,gimnasia y esgrima(lp),0,1,san lorenzo
  6,1990,racing club,0,0,talleres (cordoba)
  7,1990,river plate,0,0,newell's old boys
  8,1990,dep espanol,1,1,union (santa fe)
  9,1990,rosario central,0,0,boca juniors
  10,1990,talleres (cordoba),1,2,gimnasia y esgrima(lp)
  11,1990,newell's old boys,2,1,dep espanol
  