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

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

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