Able to tackle a monster? This colossal Sudoku obstacle just isn't with the feint of heart! Solve the puzzle so that each 4x4 box around the gigantic 16x16 grid is made up of the numbers 0-9 and letters A-File.Sudoku X is Sudoku by using a twist - the X from the middle of your puzzle are unable to have any repeated figures!Have a break, Enjoy with … Read More