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These puzzles typically feature larger grids, such as a 16x16 grid, which means there are more numbers to place and more complex patterns to uncover. sacramento bee sudokukiller sudoku tips and strategies Tricky placements: Certain numbers are placed in positions that make them difficult to place in the correct row, column, or subgrid. hidden pair sudoku 1.3 Hint system: If you're stuck on a particular puzzle, the hint system provides clues to help you progress. sudoku solver app Use X-Wing strategy: This technique involves identifying pairs of intersecting points in different rows or columns that can only be filled with two numbers.
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