Solve this extreme Sudoku puzzle with 24 clues. Estimated solving time: 50 minutes. View the grid and challenge yourself.
This extreme-level Sudoku puzzle contains 24 given numbers (clues). The estimated solving time is approximately 50 minutes for a solver comfortable with extreme puzzles. Every valid Sudoku puzzle has exactly one unique solution.
Extreme puzzles demand mastery of every technique: Forcing Chains, Multi-Coloring, XY-Wing, Jellyfish, and Unique Rectangles. Near the mathematical minimum of 17 clues.
Extreme puzzles typically have 17-21 clues. Fewer clues generally means more complex logic is needed to reach the solution. Extreme puzzles are the pinnacle of logical deduction with near-minimum clues.
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