Sudoku Primer 294 - A Spontaneous Solve of a Diabolical Puzzle
Sudoku Primer 307 - Finding and Using Sudoku Identical Twins
Sudoku Primer 295 - From Twins to Nonuplets
Sudoku Primer 291 - How to Solve Sudoku Championship Puzzles – Smart Hobbies Collaboration
Sudoku Primer 293 - Solving A Timmerman Hard Puzzle
Sudoku Primer 296 - Lining Up Twins and Triplets to Find Elusive Numbers
Sudoku Primer 288 - Solving Puzzles Using Complementary Thinking
Sudoku Primer 292 - Twins are the Answer - Answer Sheet to the Pop Quiz
Sudoku Primer 309 - Answer Sheet to Video #308 Pop Quiz
Sudoku Primer 312 - How To Solve Hidden Pairs (Smart Hobbies Collaboration)
Sudoku Primer 299 - Look for Numbers That ARE There
Sudoku Primer 196 - The Sudoku Diagonal Pattern and How to Find & Use It
Sudoku Primer 157 - Sudoku techniques to solve a diabolical puzzle
Sudoku Primer 289 - Use Sharp Focus When You Get Stuck
Sudoku Primer 318 - Familiar Patterns & Techniques Move Us Along
Sudoku Primer 313 - Using The Gate Pattern and Twins
Sudoku Primer 338 - Two Sudoku Triplets Team Up
Sudoku Primer 224 - The Art of Sudoku Without Candidates
Sudoku Primer 303 - Twists & Turns Through a Hard Puzzle
Sudoku Primer 311 - DCE, DRE, Ghosts & Twins Rescue Us
