var spos = [[0,0,9,4,0,0,0,0,0], [4,0,0,9,8,1,0,3,0], [0,1,0,0,5,0,9,0,0], [0,0,0,0,6,0,0,9,0], [0,8,5,0,1,0,0,0,0], [0,0,0,7,0,0,0,0,4], [0,9,0,0,0,8,0,7,1], [0,0,0,1,7,6,4,0,0], [0,7,2,0,4,0,0,8,0]]; 

var cells = [[8,6,9,4,2,3,1,5,7], [4,5,7,9,8,1,2,3,6], [2,1,3,6,5,7,9,4,8], [7,4,1,8,6,2,3,9,5], [9,8,5,3,1,4,7,6,2], [3,2,6,7,9,5,8,1,4], [6,9,4,2,3,8,5,7,1], [5,3,8,1,7,6,4,2,9], [1,7,2,5,4,9,6,8,3]]; 

  var scol = [
  [1,1,1,1,1,1,1,1,1], 
  [1,3,3,3,1,1,1,1,1], 
  [1,3,3,3,1,1,1,1,1], 
  [1,3,1,1,1,1,1,1,1], 
  [1,3,1,1,1,1,1,1,1], 
  [1,3,1,1,3,3,3,3,1], 
  [1,1,1,1,3,1,1,1,1], 
  [1,1,1,1,3,3,3,3,1], 
  [1,1,1,1,1,1,1,1,1], 
 ];