for btn in range(GAME_SIZE * GAME_SIZE):
            label = str(btn)
            self.add_button(label, row, row+1, column, column+1)
            print "Num:",str(btn),"row",str(row),"by",str(row+1),"column",str(column),"by",str(column+1)
            if row < GAME_SIZE:
                row += 1
            else:
                column += 1
                row = 0