Sudoku Primer 195 - Twins to the Rescue - Learn How Twins Can Help a Lot
How To Simplify HARD Sudoku With Set Equivalency Theory – SHC 195
Sudoku Primer 196 - The Sudoku Diagonal Pattern and How to Find & Use It
Sudoku Primer 198 - The Sudoku Gate Pattern, Ghost Numbers and Other Tricks Make This Easy
SudokuPrimer 9 - tricks for solving columns using twins
Sudoku Primer 296 - Lining Up Twins and Triplets to Find Elusive Numbers
Sudoku Primer 193 - Sail Through the Rough Patches in an Expert Puzzle
Sudoku Primer 163 - Sudoku Pop Quiz (with Unique Rectangles)
Sudoku Primer 238 - Solving a Woman's World "Challenging" sudoku Puzzle
Sudoku Primer 315 - Twins in Containers - and How to Spot Them
Sudoku Primer 87 - more advanced tips for an easy puzzle (sudoku beginner)
Sudoku Primer 347 - Nikoli Publishing's X-Treme Sudoku "Answer Sheet"
A brilliant use of Set Equivalence Theory!
Sudoku Primer 153 - Answer Sheet to Pop-Quiz in Video 152
SudokuPrimer 50 - pseudo-quiz - why does that number go there?
Sudoku Primer 84 - 'answer sheet' to the pop-quiz in previous video (sudoku hard level)
Expert SUDOKU Tips And TRICKS – SHC #95
How HAROLD NOLTE SOLVES SUDOKU Without Pencil Marks - Sudoku Analysis #22
3 AMAZING Tips You Need To Know About Sudoku X-Wings - SHC 196
Expert Tricks To Solve Hard Sudoku Puzzles - SHC #62
