SudokuPrimer 42 - offset and corner sidewalk patterns
SudokuPrimer 44 - tips for solving an easy puzzle - Sudoku To Go vol 102
SudokuPrimer 47 - tips to master a diabolical puzzle - Sudoku To Go vol 102
SudokuPrimer 43 - Two patterns and hidden patterns to master Sudoku puzzle solving
SudokuPrimer 31 - patterns, patterns, patterns
SudokuPrimer 21 solving diabolical puzzles using combinations of techniques
SudokuPrimer 50 - pseudo-quiz - why does that number go there?
Sudoku Primer 140 - the Gate Pattern
SudokuPrimer 46 - tips for solving a hard puzzle - Sudoku To Go vol 102
SudokuPrimer 49 - pseudo-quiz - why does that number go there?
Sudoku Primer 300 - Two Things About Diagonal Patterns
SudokuPrimer 52 - tricks to solving a hard puzzle - steps to take
Sudoku Primer 317 - Using Combinations of Patterns
SudokuPrimer 30 - loner cells and identical twins
Sudoku Primer 203 - Double Row & Column Elimination is NOT the Same as a Sudoku X-Wing
SudokuPrimer 45 - tips for solving a medium puzzle - Sudoku To Go vol 102
Sudoku Primer 296 - Lining Up Twins and Triplets to Find Elusive Numbers
Sudoku Primer 235 - Patterns, Patterns and Hidden Patterns
SudokuPrimer 36 - tips to solving a diabolical puzzle using twins and triplets
SudokuPrimer 25 how to solve a diabolical puzzle - Sudoku To Go vol 100
SudokuPrimer 53 - doing 'hard tricks' in an easy puzzle
SudokuPrimer 55 - solving single cells & row, column, square completion
Sudoku Primer 182 - Identical Twins and the Ambiguity Rule Get Us Through this Sudoku Puzzle
Sudoku Primer 242 - Unraveling a New York Times Hard Sudoku Puzzle
Sudoku Primer 340 - The Missing Sudoku Digit
