SudokuPrimer 47 - tips to master a diabolical puzzle - Sudoku To Go vol 102
SudokuPrimer 46 - tips for solving a hard puzzle - Sudoku To Go vol 102
Tutorial # 47 More tricks using logic.
SudokuPrimer 48 - pseudo-quiz - why does that number go there?
SudokuPrimer 44 - tips for solving an easy puzzle - Sudoku To Go vol 102
SudokuPrimer 10 Solving an entire 'Diabolical' puzzle
SudokuPrimer 24 techniques for mastering a hard puzzle - Sudoku To Go vol 100
SudokuPrimer 50 - pseudo-quiz - why does that number go there?
SudokuPrimer 35 - tips for solving a diabolical puzzle - Sudoku To Go vol 101
SudokuPrimer 25 how to solve a diabolical puzzle - Sudoku To Go vol 100
SudokuPrimer 45 - tips for solving a medium puzzle - Sudoku To Go vol 102
SudokuPrimer 49 - pseudo-quiz - why does that number go there?
SudokuPrimer 60 - solving an extreme diabolical puzzle
SudokuPrimer 63 - tricks to solve an easy puzzle - Sudoku To Go vol 103
SudokuPrimer 26 Quadruplets & solving individual cells - Sudoku To Go vol 100
SudokuPrimer 18 tutorial for solving a diabolical puzzle - Sudoku To Go vol 99
SudokuPrimer 43 - Two patterns and hidden patterns to master Sudoku puzzle solving
SudokuPrimer 51 - pop-quiz with an easy puzzle - see why each number is placed where it is
Sudoku Primer 300 - Two Things About Diagonal Patterns
SudokuPrimer 21 solving diabolical puzzles using combinations of techniques