Sudoku Primer 224 - The Art of Sudoku Without Candidates Share: Download MP3 Similar Tracks Sudoku Primer 225 - Three Techniques Together to Find a Hard Number Harold Nolte Sudoku Primer 220 - The 'Phistomefel Observation' and How to Use It Harold Nolte Three Diabolical Sudoku Techniques Cracking The Cryptic Sudoku Primer 340 - The Missing Sudoku Digit Harold Nolte Sudoku Primer 79 - solving the 'hardest Sudoku we've seen in a newspaper' (sudoku extreme) Harold Nolte Solve With Me | Follow Along: How to Solve a MEDIUM Sudoku Puzzle - Episode 6 Learn Something Pencil Marking candidates and using “Snyder” notation in Sudoku: Complete Example Learn Something Sudoku Primer 352 - Just a Tough Puzzle Harold Nolte Extreme Sudoku: Wings, Skyscrapers & Empty Rectangles Cracking The Cryptic How To INSTANTLY Solve Medium Sudoku With No Pencil Marks – SHC 215 Smart Hobbies Sudoku Primer 344 - Tricky Spots in a Diabolical Puzzle Harold Nolte Master The Basics Of Advanced Sudoku Solving Cracking The Cryptic How To BEST Solve Competitive SUDOKU With No Pencil Marks Smart Hobbies Sudoku Primer 351 - URs and the What-If Technique Harold Nolte Sudoku Primer 150 - the diagonal pattern Harold Nolte