Lesson 3: Learn Sudoku. Matching pairs, two empty cells
18:41
Lesson 4. Learn Sudoku. Very Important hints.
17:59
Techniques for Hard Sudoku
19:04
Sudoku. Lesson 4 Very important hints for solving sudoku puzzles.
11:23
Sudoku Primer 224 - The Art of Sudoku Without Candidates
29:43
Sudoku Tutorial # 88 The many tricks for Matching Pairs.
35:35
Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.
37:08
Sudoku Tutorial #62. How to spot an X wing using rows, and then knowing what to do!
31:15