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Expert Sudoku Puzzle 16
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Expert Sudoku Puzzle 8
Would a sudoku expert kindly help me out here? Is this the correct use of a skyscraper for 6 in (r3c3, r7c3) and (r1c7, r7c7) to eliminate 6 in r1c2? Thank you! :
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Expert Sudoku Puzzle 19
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Expert Sudoku Puzzle 13
