#235, January 7  January 13: The Weekly Extreme 'Unsolveable' Sudoku Puzzle by David Filmer, guest compiler 

WARNING: This is the Weekly 'Unsolvable' Sudoku, rated above 'Extreme'. This is currently unsolvable by my solver, except perhaps with trial and error strategies. Using the solver will not help you (much). 

Enter numbers in the squares so that each row, column and box contains all the numbers 1 to 9 Can you find a logical solution If you can, please help others by explaining it in the discussion below Puzzle changes midnight Saturday EST Difficulty Rating: Stuck? Or want to print out the puzzle with candidates? 




