Sudoku Primer 182 - Identical Twins and the Ambiguity Rule Get Us Through this Sudoku Puzzle
Sudoku Primer 183 - Using Four Sudoku Tricks to Find One Number
Sudoku Primer 217 - Sudoku Unidentified Twins Compared to Other Sudoku Twin Types
Sudoku Primer 281 - How to Solve “The Mole 1” Without Pencil Marks – Sudoku Primer Collaboration
Sudoku Primer 78 - in-depth look at loner cells (sudoku benefits)
Sudoku Primer 178 - A Beautiful Sudoku Puzzle - Numbers Fell Into Place
Sudoku Primer 184 - Get Past Difficult Sections With Sudoku Identical Twins
Sudoku Primer 186 - Sudoku Double Row & Column Elimination Techniques
Sudoku Primer 185 - Finding Special Relationships in Sudoku Puzzles
Sudoku Primer 177 - When Sudoku Gets Tough, Look Elsewhere
Sudoku Primer 210 - Learn How to Use Sudoku Techniques in Tandem
SudokuPrimer 2 - Finding more info from Loner cells
Sudoku Primer 282 - Learn How to Spot and Use Identical Twins
Sudoku Primer 187 - Getting Past Three Hard Spots in this Puzzle
SudokuPrimer 42 - offset and corner sidewalk patterns
Sudoku Primer 252 - Hard Sudoku - Subscriber Puzzle
Sudoku Primer 263 - A Unique Way to Look At Unique Rectangles
Sudoku Primer 307 - Finding and Using Sudoku Identical Twins
SudokuPrimer 5 - Double Row/column elimination
How to solve a terrific Sum Detector Sudoku ?
Sudoku Primer 165 - The Powerful Sudoku Opposite Pattern & How To Use It
Sudoku Primer 174 - Sudoku #atHome, Sudoku #withMe - Learn how to Solve Sudoku Puzzles
Sudoku Primer 162 - Sudoku Ghost Numbers and how to find other numbers using them
Sudoku Primer 175 - Solving a hard Charles Timmerman puzzle & an Interesting Find About Sudoku @ end
SudokuPrimer 17 tricks for solving a medium puzzle - Sudoku To Go vol 99
