Sudoku Primer 121 - a Charles Timmerman hard puzzle
Sudoku Primer 122 - A puzzle from Nikoli Publishing
Sudoku Primer 161 - Sudoku Hidden Triplets and how they solve a diabolical puzzle
Sudoku Primer 118 - pop quiz using ambiguity rule (unique rectangles) to solve
Sudoku Tutorial: How to solve a Sudoku logic puzzle (HD)
Sudoku Primer 73 - the wall guarantee - solving a medium puzzle (sudoku skills)
The Best Sudoku Tip? Use Snyder Notation #shorts
Sudoku Primer 117 - Subscriber request - diabolical puzzle solved
Sudoku Primer 120 - killer sudoku, a sudoku variant (Latin Square)
Sudoku Primer 178 - A Beautiful Sudoku Puzzle - Numbers Fell Into Place
Sudoku Primer 108 Using two tricks to break through a diabolical puzzle
Sudoku Primer 174 - Sudoku #atHome, Sudoku #withMe - Learn how to Solve Sudoku Puzzles
Sudoku Primer 110 difficult puzzle - using twins in a unique way
Sudoku Primer 124 - double row, column elimination
Sudoku Primer 185 - Finding Special Relationships in Sudoku Puzzles
Sudoku Primer 139 - TidBits - Unique Rectangles or Ambiguity Rule
Sudoku Primer 77-Subscriber request solving diabolical puzzle-Sudoku To Go vol 104 (sudoku twins)
Sudoku Primer 145 - forget patterns! Part 1
Most Advanced Strategy You Will Ever See! SHC #119
Sudoku Primer 126 - diabolical puzzle by Andrew Reid
