Challenging Sudoku puzzle for Wednesday 16th June 2021 
- 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
“The true object of all human life is play. Earth is a task garden; heaven is a playground.”G.K. Chesterton (Oxford from Without) 1908
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