anchor.diff:  2759,1997,independiente,4,0,newell's ob
   2760,1997,platense,2,4,estudiantes
   2761,1997,velez,2,3,racing
  -2762,1997,union,1,3,river
  +2762,1997,union (santa fe),1,3,river
   2763,1997,colon,1,1,platense
   2764,1997,estudiantes,0,2,rosario c
   2765,1997,huracan c,1,1,huracan ba
  
positive.code: 2769,1997,river,2,0,banfield
  2770,1997,san lorenzo,0,1,dep espanol
  2771,1997,velez,2,3,independiente
  2772,1997,fco,2,2,union
  2773,1997,union,1,2,newell's ob
  2774,1997,boca juniors,1,1,san lorenzo
  2775,1997,dep espanol,1,0,huracan c
  2776,1997,gimnasia j,2,0,estudiantes
  
negative.code: 3875,1999,rosario central,1,1,belgrano (cba)
  3876,1999,independiente,4,1,huracan
  3877,1999,lanus,0,0,gimnasia lp
  3878,1999,union (santa fe),2,2,boca juniors
  3879,1999,ferro carril oeste,0,1,gimnasia j
  3880,1999,argentinos juniors,1,2,velez sarsfield
  3881,2000,river,4,1,instituto
  