Puzzle at: [ Ссылка ]
Will this puzzle talkthrough video make any waves? Dr. Sudoku is here to describe how his notation of either/or notes is helpful in spotting some tricky steps in the middle of a classic sudoku solve.
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Puzzle at: [ Ссылка ]
Will this puzzle talkthrough video make any waves? Dr. Sudoku is here to describe how his notation of either/or notes is helpful in spotting some tricky steps in the middle of a classic sudoku solve.