Sudoku Primer 114 - ambiguity rule (Unique Rectangle) examples
Sudoku Primer 86 - Solving a diabolical puzzle (pseudo-quiz) (sudoku tutorial, sudoku rules)
Sudoku Primer 102 - combinations of tricks to solve a diabolical puzzle
Sudoku Primer 187 - Getting Past Three Hard Spots in this Puzzle
SudokuPrimer 1 - Row completion & finding twins
Sudoku Primer 172 - 4 Sudoku Tricks to Find One Number and Break Open the Puzzle
Sudoku Primer 101 - pop quiz solving a medium puzzle (using some harder techniques)
Sudoku Primer 328 - Unique Rectangles Help Solve a Diabolical Puzzle
SudokuPrimer 72 - speed-scanning - quickly find numbers in a hard puzzle (sudoku speed solving)
How to Find and Use Triplets in Sudoku Puzzles / Tutorial #9
Sudoku Primer 78 - in-depth look at loner cells (sudoku benefits)
Sudoku Primer 189 - Look for Leftovers While Solving Sudoku
Sudoku Primer 113 - unidentified twins
Sudoku Primer 183 - Using Four Sudoku Tricks to Find One Number
SudokuPrimer 36 - tips to solving a diabolical puzzle using twins and triplets
Sudoku Primer 115 - Quick scanning for twins & triplets
SudokuPrimer 55 - solving single cells & row, column, square completion
Sudoku Primer 174 - Sudoku #atHome, Sudoku #withMe - Learn how to Solve Sudoku Puzzles
The Rules of Sudoku
Sudoku Primer 135 - watch for subtle clues to help you solve diabolical puzzles
Sudoku Primer 168 - Sudoku Double Row-Column Elimination Technique
Sudoku Primer 139 - TidBits - Unique Rectangles or Ambiguity Rule
Sudoku Primer 80 - ambiguity rule in a hard puzzle - Sudoku To Go vol 104 (sudoku tips and tricks)
Sudoku Primer 116 - Hidden Patterns
SudokuPrimer 30 - loner cells and identical twins
