This technique is called "candidate numbers" or "pencil marking." Hidden Single: Sometimes, a number can only be placed in one cell within a row, column, or subgrid. best daily sudoku
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best daily sudoku The rules of Sudoku are simple but the depth of the game is immense. Every well-posed Sudoku puzzle has a unique solution that can be reached through logical deduction. sudoku swordfish examples The rules of Sudoku are simple but the depth of the game is immense. Every well-posed Sudoku puzzle has a unique solution that can be reached through logical deduction. sudoku swordfish examples 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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