Sudokus are puzzles (see image on the left) … kind of like crossword puzzles with numbers. they can be very easy or extremely challenging. Alan build a Sudoku generator from scratch … and he has become a master at solving these puzzles.
i encourage you to check out this new Sudoku craze … but watch out … you might get addicted (I am actually going cold turkey in the month of November after spending too much time on the puzzles in October)….