Matchpeg Sudoku provides help for Sudoku addicts: instant solutions to all but the hardest puzzles.
Type in the puzzle using spaces or dots to indicate empty unknown cells. You can get a full solution using the Solve button,
or enter a ? mark in one or more cells which you want answers for and then click on the Hint button.
Working out the solution...
This puzzle has been successfully solved.
Your hints have been filled in.
This puzzle could not be completely solved.
This puzzle could not be solved. The puzzle does not seem to be valid (i.e. breaks the
rules about placement of numbers).