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🔢 Sudoku Puzzles (Minus GAS ⛽️)

Sudoku puzzle-solving videos from CTC (excluding GAS puzzles).

Data source: Cracking the Cryptic Catalogue · About: View on GitHub

3 rows where Constraints contains "Pencilmarks" and Solver contains "Simon" sorted by Id descending

Solver 1

  • Simon · 3 ✖

Setter 3

  • Bill Murphy · 1
  • Florian Wortmann · 1
  • Michael Lefkowitz · 1

Constraints 8

  • Pencilmarks · 3 ✖
  • Ambiguous Clues · 1
  • Arrow · 1
  • Chess · 1
  • German Whispers · 1
  • Incomplete Clues · 1
  • Thermo · 1
  • Zipper Lines · 1
Id ▲ Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
5633 Setter's Day Off 2024-01-30 Simon Michael Lefkowitz Ambiguous Clues, Arrow, Chess, German Whispers, Incomplete Clues, Pencilmarks, Thermo, Zipper Lines
I created this sudoku puzzle. Why did this other guy sign it?
I created this sudoku puzzle. Why did this other guy sign it?
01:24:11 85 min
2557 Pencilmark Sudoku 2021-12-14 Simon Bill Murphy Pencilmarks
The #1 Sudoku Trick And How To Learn It
The #1 Sudoku Trick And How To Learn It
00:19:08 20 min
2300 Pencilmark Sudoku 2021-09-25 Simon Florian Wortmann Pencilmarks
The Best Way To Understand The Sudoku Y-Wing Technique
The Best Way To Understand The Sudoku Y-Wing Technique
00:27:53 28 min

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Last updated (UTC): 2025-12-07 04:11:04