sudoku, nbsudoku

       Doesn´t guarantee a unique solution. Attempts to fix that are welcome.

                                                    May 2021                                            SUDOKU()

       1 - g : Enter number/character

       SPACE : Clear tile

       ARROW KEYS : Move cursor

       q : Quit

       n : New board

       r : Restart

       ? : Hint (not like in other games)

       F1 & F2: Help on controls & gameplay

       PgDn,PgUp,, : Scroll

       YOU CAN ALSO USE THE MOUSE!

       Fill the table with digits (and characters)

       so that all the rows, columns and smaller subregions

       contain all of the digits from 1 to 9 and all

       the alphabet letters from ´a´ to ´g´.

sudoku,nbsudoku