SudokuPrimer 3 - Finding other numbers after finding twins
Sudoku Primer 334 - Two Hidden Corner Patterns Make This Puzzle Easy
SudokuPrimer 8 - Twins, Triplets and other relationships
SudokuPrimer 47 - tips to master a diabolical puzzle - Sudoku To Go vol 102
Sudoku Primer 187 - Getting Past Three Hard Spots in this Puzzle
SudokuPrimer 25 how to solve a diabolical puzzle - Sudoku To Go vol 100
Sudoku Primer 104 - solving tips for hard puzzle - diagonal pattern
SudokuPrimer 9 - tricks for solving columns using twins
Sudoku Primer 299 - Look for Numbers That ARE There
SudokuPrimer 33 - tips for solving a medium puzzle - Sudoku To Go vol 101
SudokuPrimer 23 basics for solving a medium puzzle - Sudoku To Go vol 100
SudokuPrimer 32 - tips for solving an easy puzzle - Sudoku To Go vol 101
SudokuPrimer 35 - tips for solving a diabolical puzzle - Sudoku To Go vol 101
SudokuPrimer 13 tutorial for solving an entire easy puzzle - Sudoku To Go vol 98
Sudoku Primer 211 - Dell Challenger Puzzle Solved Using Four Patterns
SudokuPrimer 24 techniques for mastering a hard puzzle - Sudoku To Go vol 100
Sudoku Primer 248 - Persevering Through a Tough Puzzle
SudokuPrimer 4 - Finding numbers after twins, triplets
SudokuPrimer 29 - basics for solving containers in an easy puzzle
Sudoku Primer 307 - Finding and Using Sudoku Identical Twins
