Sudoku Primer 203 - Double Row & Column Elimination is NOT the Same as a Sudoku X-Wing
Sudoku Primer 202 - Two or Three Techniques to Get Through Rough Spots
Sudoku Primer 199 - Multiple Sudoku Triplet Examples
Sudoku Primer 210 - Learn How to Use Sudoku Techniques in Tandem
Sudoku Primer 196 - The Sudoku Diagonal Pattern and How to Find & Use It
Sudoku Primer 204 - Finding Quintuplets & How to Find Other Number Groups
Sudoku Primer video 155 - Sudoku Trial & Error technique to help you get unstuck
Sudoku Primer 211 - Dell Challenger Puzzle Solved Using Four Patterns
Sudoku Primer 182 - Identical Twins and the Ambiguity Rule Get Us Through this Sudoku Puzzle
Sudoku Primer 186 - Sudoku Double Row & Column Elimination Techniques
Sudoku Primer 209 - Solve A Dell Challenger Puzzle Using Techniques & Patterns
SudokuPrimer 7 - Ghost numbers
Sudoku Primer 200 - Eight Sets of Twins at the Start
Sudoku Primer 205 - Twins & Triplets in Triplicate
Sudoku Primer 219 - Navigating Twists & Turns to Solve This Sudoku Puzzle
Sudoku Primer 266 - Double Column Elimination Gets Us Past a Hard Spot
Sudoku Primer 165 - The Powerful Sudoku Opposite Pattern & How To Use It
Sudoku Primer 177 - When Sudoku Gets Tough, Look Elsewhere
Sudoku Primer 193 - Sail Through the Rough Patches in an Expert Puzzle
Sudoku Primer 208 - Finding & Using Three Unique Rectangles