SudokuPrimer 41 - solving a hard puzzle - see if you can follow along with this pop quiz.

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SudokuPrimer 42 - offset and corner sidewalk patterns

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SudokuPrimer 59 - rotten to the core - tricks solving a hard puzzle

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SudokuPrimer 48 - pseudo-quiz - why does that number go there?

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Sudoku Primer 216 - Keep Chipping Away to Solve Diabolical Puzzles

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This PROVEN Strategy Can Unlock Hard Sudoku Puzzles

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A 10/10 Fog Sudoku: Fifteen Cages by James Sinclair

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2 Tricks To Solve MEDIUM Sudoku Faster

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Best Empty Rectangle Video Ever! Sudoku Advanced Tutorial 25

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OPTIMAL Order For Solving Sudoku Puzzles - SHC 271

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Sudoku 101: Hidden Triples

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3 Sudoku Strategies That Could Change Your Life For The Better

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MUST Know Sudoku Strategies: Empty Rectangle, Skyscraper, W Wing and MORE

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BEST SUDOKU Sue De Coq Video Ever! Sudoku Advanced Tutorial 15

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Sudoku Primer 300 - Two Things About Diagonal Patterns

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SudokuPrimer 43 - Two patterns and hidden patterns to master Sudoku puzzle solving

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SudokuPrimer 47 - tips to master a diabolical puzzle - Sudoku To Go vol 102

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SudokuPrimer 44 - tips for solving an easy puzzle - Sudoku To Go vol 102

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Sudoku Primer 343 - Sudoku Rules \u0026 How To Solve Puzzles

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SudokuPrimer 26 Quadruplets \u0026 solving individual cells - Sudoku To Go vol 100

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Sudoku Primer 82 - pop-quiz solving a diabolical puzzle (sudoku tricks)

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SudokuPrimer 69 - pseudo-quiz solving a diabolical puzzle (sudoku pro)

(23:8)

Sudoku Primer 293 - Solving A Timmerman Hard Puzzle

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Sudoku Primer 261 - Using Hidden Patterns

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Sudoku Primer 340 - The Missing Sudoku Digit

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SudokuPrimer 51 - pop-quiz with an easy puzzle - see why each number is placed where it is

(9:34)

Sudoku Primer 141 - the L pattern

(16:13)

SudokuPrimer 2 - Finding more info from Loner cells

(2:35)