Lookout for Hidden Singles, Pairs, Triples, and Quadruples in Sudoku
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Triplets (a.k.a Triples) and Hidden Triplets Explained - A Sudoku Strategy You MUST Know
27:03
Solve a HARD Level Sudoku the EASY way! X wing, W wing, XY wing, and even a BUG +1
13:26
Remote Pairs Sudoku Chain Strategy
15:05
This Sudoku Trick Can Solve VERY Hard Puzzles – SHC 280
16:44
Lots of TRIPLES! Useful Sudoku Strategy - Great for Beginners to Know
29:09
Easy Solving for HARD Level Sudoku Puzzles: Solve With Me
13:34
What is so UNIQUE about the Unique Rectangle?
19:04