Sudoku Primer 118 - pop quiz using ambiguity rule (unique rectangles) to solve
Sudoku Primer 119 - answer sheet to video 118
Sudoku 最佳數獨 Kieter Labs 118
Sudoku- Tricks and Logics- K S Rao- IR English (118)
Sudoku-English- K S Rao (118)
Sudoku Primer 117 - Subscriber request - diabolical puzzle solved
Sudoku Primer 80 - ambiguity rule in a hard puzzle - Sudoku To Go vol 104 (sudoku tips and tricks)
Sudoku Primer 158 - Sudoku Techniques used to solve a diabolical puzzle (answer sheet)
Sudoku Primer 157 - Sudoku techniques to solve a diabolical puzzle
Sudoku Primer 91 - pop-quiz solving diabolical puzzle - Sudoku To Go vol 105 (sudoku expert tips)
Sudoku Primer 125 "Identical Twins" help us solve this diabolical puzzle
Sudoku Primer 168 - Sudoku Double Row-Column Elimination Technique
Sudoku Primer 86 - Solving a diabolical puzzle (pseudo-quiz) (sudoku tutorial, sudoku rules)
Sudoku Primer 116 - Hidden Patterns
Sudoku Primer 139 - TidBits - Unique Rectangles or Ambiguity Rule
Sudoku Primer 121 - a Charles Timmerman hard puzzle
Following a Logic Chain - to defeat a 'Very Hard' sudoku
Sudoku Primer 105 - tips for solving an easy puzzle - subscriber request
SudokuPrimer 70 - solving an easy puzzle using basic strategies (sudoku for beginners)
Sudoku Primer 95 - pop-quiz solving hard puzzle #80 - Sudoku To Go vol 106 (sudoku lessons)