Sudoku Primer 156 - Sudoku Unique Rectangles (UR) used to master difficult puzzles
Sudoku Primer 157 - Sudoku techniques to solve a diabolical puzzle
Sudoku Primer 158 - Sudoku Techniques used to solve a diabolical puzzle (answer sheet)
Sudoku Primer 154 - Sudoku T Pattern for Solving Today’s Puzzles
Sudoku Primer 93 - thought process solving a puzzle (easy puzzle vol. 106 sudoku beginner)
Sudoku Primer 198 - The Sudoku Gate Pattern, Ghost Numbers and Other Tricks Make This Easy
Sudoku Primer 165 - The Powerful Sudoku Opposite Pattern & How To Use It
Sudoku Primer 160 - Using the Sudoku 'Plus' Pattern to help you solve harder puzzles
Sudoku Primer 169 - Sudoku Techniques to Make a Hard Puzzle Easy
SudokuPrimer 7 - Ghost numbers
Sudoku Primer 256 - Getting Unstuck With Unique Rectangles
Sudoku Primer 182 - Identical Twins and the Ambiguity Rule Get Us Through this Sudoku Puzzle
SudokuPrimer 5 - Double Row/column elimination
Developing a new Sudoku Solver Kata - Ep 156
Sudoku Primer 150 - the diagonal pattern
Sudoku Primer 80 - ambiguity rule in a hard puzzle - Sudoku To Go vol 104 (sudoku tips and tricks)
Sudoku Primer 284 - Three URs Help Us With an Extreme Puzzle
SudokuPrimer 3 - Finding other numbers after finding twins
Sudoku Primer 171 - Sudoku 'master the basics of advanced solving' - requested puzzle
Sudoku Primer 133 - pop-quiz solving a diabolical puzzle
