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🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

3 rows where Constraints contains "Arrow" and Setter contains "Michael Lefkowitz" sorted by Id descending

Solver 2

  • Simon · 2
  • Mark · 1

Setter 2

  • Michael Lefkowitz · 3 ✖
  • Shintaro Fushida-Hardy · 1

Constraints 11

  • Arrow · 3 ✖
  • German Whispers · 2
  • 4x4 · 1
  • Ambiguous Clues · 1
  • Chess · 1
  • Incomplete Clues · 1
  • Linked Grids · 1
  • Pencilmarks · 1
  • Split Grid · 1
  • Thermo · 1
  • Zipper Lines · 1
Id â–² Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
8211 Ubiquity 2026-02-23 Mark Michael Lefkowitz Arrow, Split Grid
Unskew my Puzzle
Unskew my Puzzle
00:37:54 38 min
7081 Windowku 2025-04-16 Simon Michael Lefkowitz, Shintaro Fushida-Hardy 4x4, Arrow, German Whispers, Linked Grids
It's Sudoku But It's In 3D!
It's Sudoku But It's In 3D!
00:26:31 27 min
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

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Last updated (UTC): 2026-02-25 05:12:19