Top Nine Most Often Used Strategies for Solving Expert Sudoku Puzzles

The Smartest Way To Solve Sudoku (Puzzle Strategy Explained)

How to Solve Sudoku Puzzles - Sudoku Beginner Tutorial #1

Sudoku Trick für knifflige / schwere Sudokus mit Anleitung

Solve Sudoku Faster with Pointing Pairs

Sudokus can also be solved using this technique

An Introduction To Variant Sudoku: Puzzle 1

30 Sudoku Variants. 100 Puzzles. 1 Book

Learn How To Tackle Sudoku Variants!