Tutorial 53 Spotting A 3X3. A Powerful Technique In Sudoku Puzzles.

Tutorial 53 Spotting a 3X3. A powerful technique in sudoku puzzles.

Tutorial #40 A must know technique. NOT a puzzle.

X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

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Triplets (a.k.a Triples) and Hidden Triplets Explained - A Sudoku Strategy You MUST Know

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Y-wing (XY Wing) - an Advanced Sudoku technique

Triples: the Single Most Important Sudoku technique?

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Crack Hard Sudoku Puzzles With the Skyscraper Pattern

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I Sudoku tutorial #t 48 must be a 3X3

How To Do Hard Sudokus In 10 Minutes

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Hidden triples - a Sudoku technique for beginners

The Best Sudoku Tip? Use Snyder Notation #shorts

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The XY Wing a.k.a. the Y Wing: A Useful Sudoku Solving Technique When You Are STUCK !!!

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Sudoku Tricks: The X-Wing And How To Spot It

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Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.

Pointing triples - an Intermediate Sudoku technique

Techniques for Hard Sudoku

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