Lesson #6 is about Matching Pairs and Naked Singles, what they are, and how they can be used. Also covered are "Peer" cells, cells that "see" each other. These cells are in the same "Unit" or "House", a very important concept for beginners and used in every level of difficulty.
The next lesson, Lesson #7 is on "Hidden Pair" and "Triplets". Please subscribe to follow along with this series of Sudoku lessons, and thanks for watching!
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