anchor.diff:  
   ; PRE-PROCESS CORNERS
   
  -; Process the Array Corners using the GetNeighboursOfArrayCell function to
  -; calculate the position of the corner.
  +; Pre Process the array corners to account for the existence of the number 4 on it
   
   (defun PreProcessCorners (arr)
   	(let
  
positive.code: 
  ; PRE-PROCESS ZEROS AND NINES
  
  ; Pre-Process the Zeros and Nines using the aux functions created for it.
  
  (defun PreProcessZerosAndNines (arr psr)
  	(let ( (lista1 (car (GetNinesAndZeros arr)))
  
negative.code: 
  ; RESOLVE BEST
  
  ; Uses the Best Algorithm possible to solve the received Fill-a-Pix.
  
  (defun resolve-best (arr)
  	(let
  