anchor.diff:  11,9,7
   12,9,1
   13,10,3
  +14,11,3
   
   
   TABLE auth_permission
  
positive.code: 
  TABLE notas
  notas.notaid,notas.alumnoid,notas.materiaid,notas.periodoid,notas.calificacionid,notas.nota,notas.descripcion,notas.establecimiento,notas.observaciones,notas.fecha,notas.libro,notas.folio,notas.alta,notas.web,notas.turno
  54,10,158,10,5,7.0,,I.S.T.B.P,,2011-12-14,1,6,2013-11-13,False,
  55,10,159,10,5,7.0,,I.S.T.B.P,,2011-12-15,1,2,2013-11-13,False,
  56,10,175,22,3,8.0,,I.S.T.B.P,,2013-07-10,1,2,2013-11-13,False,
  57,21,161,22,3,8.0,,I.S.T.B.P,,2013-07-17,1,2,2013-11-13,False,
  58,22,158,22,3,7.0,,I.S.T.B.P,,2013-07-10,1,2,2013-11-13,False,
  59,22,158,22,5,7.0,,I.S.T.B.P,,2011-12-15,1,2,2013-11-13,False,
  60,24,<NULL>,<NULL>,<NULL>,4.0,<NULL>,I.S.T.B.P,<NULL>,2013-11-20,1,2,2013-11-20,False,<NULL>
  61,23,<NULL>,<NULL>,<NULL>,5.0,<NULL>,I.S.T.B.P,<NULL>,2013-11-20,1,2,2013-11-20,False,<NULL>
  62,10,<NULL>,<NULL>,<NULL>,6.0,<NULL>,I.S.T.B.P,<NULL>,2013-11-20,1,2,2013-11-20,False,<NULL>
  63,22,<NULL>,<NULL>,<NULL>,9.0,<NULL>,I.S.T.B.P,<NULL>,2013-11-20,1,2,2013-11-20,False,<NULL>
  65,23,<NULL>,<NULL>,<NULL>,5.0,<NULL>,I.S.T.B.P,<NULL>,2013-11-27,55,5,2013-11-27,False,<NULL>
  
  
  TABLE titulos
  
negative.code: 6,user_8,Group uniquely assigned to user 8
  7,user_9,Group uniquely assigned to user 9
  8,user_10,Group uniquely assigned to user 10
  9,user_11,Group uniquely assigned to user 11
  
  
  TABLE auth_membership
  