Sudoku tutorial #86 Only 17 numbers to start!

Sudoku tutorial #89 Remote matching pairs

Techniques for Hard Sudoku

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

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Sudoku Tutorial #62. How to spot an X wing using rows, and then knowing what to do!

Sudoku Tutorial # 88 The many tricks for Matching Pairs.

Triples: the Single Most Important Sudoku technique?

Tutorial 58. Hard sudoku puzzle with lots of techniques.

Tutorial #87. Beginners Delight. A difficult puzzle made easy

Tutorial #80 A difficult sudoku puzzle made easy

How To Do Hard Sudokus In 10 Minutes

Tutorial #100 A SPECIAL GUEST.

Sudoku Tutorial #85 Solving a DIABOLICAL PUZZLE.

One Of The Best Classic Sudokus Ever

A Sudoku With Only 4 Given Digits?!

Improve At Sudoku: What To Do When You Get Stuck

Tutorial #50 Solving a hard puzzle from the beginning to the end

Sudoku tutorial #93 A procedure or not!

Sudoku Tutorial #98 The power of triplets and matching pairs.

The Most Under-Used Sudoku Technique