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Not only do they provide an excellent brain workout, but they also offer convenience and cost-effectiveness. how to solve hard sudoku without guessing Step 5: Apply the Elimination Method If a cell has only two possible numbers, eliminate those numbers from the other cells in the row, column, and box. sudoku solver app Use the "givens" to eliminate possibilities: Look for numbers that have only one possible position in a row, column, or subgrid and eliminate all other possibilities for that number in that particular area. sudoku solver appsudoku nyt archive Use the X-Wing Strategy The X-Wing strategy is useful when two rows or columns have two cells each with the same two numbers. sudoku solver app If you're looking to dive into the world of Sudoku but find the more complex puzzles too daunting, look no further.
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