Spoiler Alert! This is the May 12th puzzle from Original Sudoku Color Page-A-Day Calendar, and the solution is below. Because each puzzle is created by hand, not computer, every puzzle is like matching wits with an expert who knows how to keep you engaged and entertained, every step of the way. It's the original Sudoku—and still the best Sudoku.
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Solution to May 12th Original Sudoku Color Page-A-Day Calendar puzzle.