Sudoku Primer 82 - pop-quiz solving a diabolical puzzle (sudoku tricks)
dxSudoku #82 Solving Puzzles without Pencil Marks
Follow up to tutorial #82 locked little numbers. The rule of Exclusion.
Diagonal consecutive contest 82
HOW TO SOLVE NAKED PAIRS AND TRIPLES - SHC #82
Sudoku Tutorial #85 Solving a DIABOLICAL PUZZLE.
SudokuPrimer 3 - Finding other numbers after finding twins
Sudoku Primer 281 - How to Solve “The Mole 1” Without Pencil Marks – Sudoku Primer Collaboration
Sudoku Primer 86 - Solving a diabolical puzzle (pseudo-quiz) (sudoku tutorial, sudoku rules)
How To SOLVE SUDOKU Competition Puzzles WITHOUT PENCIL-MARKS
Sudoku Primer 251 - Five Techniques needed to Find One Number
Sudoku for Kids Lesson 18. LCR Vertical Blocks. Another important technique.
zetamath Sudoku Basics: Notation
Sudoku Primer 341 - Pop Quiz on a Diabolical Puzzle
Sudoku Primer 246 - The Hard-to-Spot Opposite Pattern
Sudoku tutorial #89 Remote matching pairs
Sudoku Primer 81 - in-depth look at L patterns (sudoku patterns)
GMPuzzles - 2021/05/03 - Tight Fit Sudoku by Grant Fikes
Expert Sudoku Tricks - SHC #60
Sudoku Primer 270 - a Unique Thing About Triplets
