Challenging Sudoku puzzle for Monday 6th April 2020 
- Solve the puzzle Online in your browser.
- Print out the puzzle.
- Show the Solution to the Sudoku.
- Try today's easier puzzle; moderately difficult or Word Soduku or Jigsaw Sudoku or Samurai Sudoku instead.
- Download the puzzle for solving with Sudoku Dragon on your PC.
- Look at previous daily challenging puzzles and their solutions.
- Add a comment about the puzzle to our online forums.
For a full guide to solving 'hard' puzzles such as this please see our step-by-step solution guide
“Effort is only effort when it begins to hurt”José Obtega Y Gasset (In Search of Goethe from Within) 1949 William Trask
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