All the puzzles in this page are rated very difficult.

Very Difficult Sudoku Puzzles very difficult

sudoku puzzle published on 2017/01/15 sudoku puzzle published on 2017/01/11 sudoku puzzle published on 2017/01/08 sudoku puzzle published on 2017/01/04 sudoku puzzle published on 2016/12/31 sudoku puzzle published on 2016/12/24 sudoku puzzle published on 2016/12/21 sudoku puzzle published on 2016/12/18 sudoku puzzle published on 2016/12/11 sudoku puzzle published on 2016/12/08 sudoku puzzle published on 2016/12/05 sudoku puzzle published on 2016/12/02

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The puzzles in this page are rated "Very difficult" (very difficult).