Sudoku Primer 264 - When You're Stuck, Assess Your Assets
Sudoku Primer 246 - The Hard-to-Spot Opposite Pattern
Sudoku Primer 266 - Double Column Elimination Gets Us Past a Hard Spot
Sudoku Primer 263 - A Unique Way to Look At Unique Rectangles
Sudoku Primer 239 - Getting through a hard spot, then two more
Sudoku Primer 267 - Two Techniques to Get Us Past a Hard Spot
Sudoku Primer 75 - L pattern in a medium puzzle (sudoku rules, sudoku game)
Sudoku Primer 219 - Navigating Twists & Turns to Solve This Sudoku Puzzle
Sudoku Primer 269 - Triplets Help Unique Rectangles
Sudoku Primer 282 - Learn How to Spot and Use Identical Twins
Sudoku Primer 261 - Using Hidden Patterns
Sudoku Primer 256 - Getting Unstuck With Unique Rectangles
Sudoku Primer 274 - Make Easy Work of a Diabolical Puzzle
Sudoku Primer 285 - Six Things to Find One Number
Sudoku Primer 216 - Keep Chipping Away to Solve Diabolical Puzzles
Sudoku Primer 286 - Wayne Gould - Making Puzzles Fun Using Patterns
Sudoku Primer 224 - The Art of Sudoku Without Candidates
Sudoku Primer 140 - the Gate Pattern
Sudoku Primer 253 - Solving an Expert Puzzle From a 'New' Publisher
Sudoku Primer 283 - A Special Case of Hidden T Pattern
