suuuzi

https://todoist.com/blog/2014/05/how-multitasking-slows-your-brain-and-kills-your-productivity/

suuuzi

function sudokuValidator(board){
    var sum_cols = [0,0,0,0,0,0,0,0,0];
	  var sum_lines = [0,0,0,0,0,0,0,0,0];
	  var sum_board = [[0,0,0], [0,0,0], [0,0,0]];
	  var i = 0;
	  var j = 0;
		
	for (i = 0; i < 9; i++) {
		for (j = 0; j < 9; j++)  {
			var n = parseInt(board[i][j] * board[i][j]);