Sudoku Primer 225 - Three Techniques Together to Find a Hard Number
Sudoku Primer 226 - Sudoku That Flows Nicely
Sudoku Primer 183 - Using Four Sudoku Tricks to Find One Number
Sudoku Primer 233 - Think Conversely While Solving
Sudoku Primer 216 - Keep Chipping Away to Solve Diabolical Puzzles
Sudoku Primer 210 - Learn How to Use Sudoku Techniques in Tandem
Sudoku Primer 220 - The 'Phistomefel Observation' and How to Use It
Sudoku Primer 229 - Keep Your Eyes on the Entire Sudoku Puzzle
Sudoku Primer 253 - Solving an Expert Puzzle From a 'New' Publisher
Sudoku Primer 109 solving an expert puzzle - subscriber request
Sudoku Primer 328 - Unique Rectangles Help Solve a Diabolical Puzzle
Sudoku - English- An Expert's Puzzle- K S Rao (225)
Sudoku Primer 135 - watch for subtle clues to help you solve diabolical puzzles
Sudoku Primer 230 - Subscriber Request - A Blast From the Past!
Sudoku Primer 204 - Finding Quintuplets & How to Find Other Number Groups
SudokuPrimer 3 - Finding other numbers after finding twins
Sudoku Primer 209 - Solve A Dell Challenger Puzzle Using Techniques & Patterns
SudokuPrimer 55 - solving single cells & row, column, square completion
Sudoku Primer 224 - The Art of Sudoku Without Candidates
Sudoku Primer 235 - Patterns, Patterns and Hidden Patterns
