Sudoku Primer 243 - Triplets Save the Day
Sudoku Primer 246 - The Hard-to-Spot Opposite Pattern
Killer Sudoku # 1-243 Step by Step
Sudoku Primer 248 - Persevering Through a Tough Puzzle
Sudoku Primer 244 - Subscriber Request
Sudoku Primer 332 - A Fun Puzzle To Solve
Sudoku Primer 344 - Tricky Spots in a Diabolical Puzzle
Sudoku Primer 334 - Two Hidden Corner Patterns Make This Puzzle Easy
Sudoku Primer 240 - Subscriber Request: Double Column Elimination & Patterns Help Us Solve This one
Sudoku Primer 229 - Keep Your Eyes on the Entire Sudoku Puzzle
Sudoku Primer 253 - Solving an Expert Puzzle From a 'New' Publisher
Sudoku Primer 232 - Getting Past a Major Roadblock in a Sudoku Puzzle
Sudoku Primer 235 - Patterns, Patterns and Hidden Patterns
Sudoku Primer 245 - A Wayne Gould Puzzle with Lots of Quadruplets
Sudoku Primer 247 - Finding and Using the Offset Pattern
Sudoku Primer 208 - Finding & Using Three Unique Rectangles
Sudoku Primer 250 - Using Two Techniques to Get Unstuck (Subscriber Request)
Sudoku Primer 249 - Tough Subscriber Request Puzzle
Sudoku Primer 241 - Unrelated Numbers That Can Find Twins
Sudoku Primer 270 - a Unique Thing About Triplets
