The grid may contain some numbers already filled in, known as "givens," which provide clues to solve the puzzle. killer sudoku hard
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killer sudoku hard 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. sudoku dkm 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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