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Can Sudoku Have 2 Answers? [Solved]
The short answer is no. Any proper Sudoku puzzle should only have one unique solution that can be found through logical deduction without the need for guessing.
Can You Solve Any Sudoku Puzzle Without Guessing
Does
How to Solve a Sudoku Puzzle - Tip 2: The Adjacent Box Rule or Trick - Tutorial
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How to Play Sudoku for Absolute Beginners
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