SudokuPrimer 2 - Finding more info from Loner cells
SudokuPrimer 47 - tips to master a diabolical puzzle - Sudoku To Go vol 102
SudokuPrimer 9 - tricks for solving columns using twins
Sudoku Primer 334 - Two Hidden Corner Patterns Make This Puzzle Easy
SudokuPrimer 43 - Two patterns and hidden patterns to master Sudoku puzzle solving
Sudoku Primer 300 - Two Things About Diagonal Patterns
Sudoku Primer 217 - Sudoku Unidentified Twins Compared to Other Sudoku Twin Types
SudokuPrimer 20 two techniques to help solve a hard puzzle
Sudoku Primer 147 - forget patterns! Part 2
Sudoku Primer 297 - Using The Sudoku n-alike Technique
Sudoku Primer 104 - solving tips for hard puzzle - diagonal pattern
SudokuPrimer 5 - Double Row/column elimination
Sudoku Primer 108 Using two tricks to break through a diabolical puzzle
SudokuPrimer 8 - Twins, Triplets and other relationships
SudokuPrimer 7 - Ghost numbers
SudokuPrimer 32 - tips for solving an easy puzzle - Sudoku To Go vol 101
SudokuPrimer 10 Solving an entire 'Diabolical' puzzle
SudokuPrimer 23 basics for solving a medium puzzle - Sudoku To Go vol 100
Sudoku Primer 299 - Look for Numbers That ARE There
Sudoku Primer 251 - Five Techniques needed to Find One Number
