nbsudoku

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'.

Doesn't guarantee a unique solution. Attempts to fix that are welcome.