most difficult sudoku ever To solve a Sudoku puzzle, one must look for cells where only one number is possible, or rows/columns/blocks where a specific number h
The diagonal constraint adds a new layer of complexity that keeps even expert solvers engaged.
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Paradoxically, the extra constraint can sometimes make puzzles easier to solve!
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most difficult sudoku ever To solve a Sudoku puzzle, one must look for cells where only one number is possible, or rows/columns/blocks where a specific number has only one possible placement.
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