Sudoku Tutorial #61 The triangle within a sudoku block.
37:08
Sudoku Tutorial #62. How to spot an X wing using rows, and then knowing what to do!
31:32
Sudoku Tutorial #94 1 number solved = many numbers solved.
30:42
Tutorial #77 Small square within a block trick.
17:53
The Sudoku Trick All Expert Solvers Know
29:43
Sudoku Tutorial # 88 The many tricks for Matching Pairs.
50:47
Tutorial #79 A sudoku Puzzle to blow your mind.!!! Locked little numbers.
20:10
Triples: the Single Most Important Sudoku technique?
10:01