When three cells in a row or column have the same three numbers, and these numbers are not present in any other cells of the same rows or columns, it is a Swordfish. pdf sudoku puzzles
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pdf sudoku puzzles There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers. printable blank sudoku forms There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers.
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