
9 by 9
Click here for a 9 by 9 Sudoku Solver page.  blocks are 3 by 3 and valid values are 1 thru 9.






16 by 16
Click here for a 16 by 16 Sudoku Solver page.  blocks are 4 by 4 and valid values are 0 thru 9 and A thru F.






16 by 16  Trial
Click here for a 16 by 16 Sudoku Solver page with prefilled values. This was a competition puzzle issued by the Irish Independent in September '05.


