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Sudoku puzzle-solving videos from CTC.

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

1 row where Constraints contains "O/E", Setter contains "Richard Stolk" and Solver contains "Simon" sorted by Id descending

These facets timed out: Constraints

Solver 1

  • Simon · 1 ✖

Setter 1

  • Richard Stolk · 1 ✖
Id â–² Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
830 Sudoku #830 2019-10-05 Simon Richard Stolk Irregular, O/E, Toroidal
The Puzzle That Defeated The World's Best Sudoku Players
The Puzzle That Defeated The World's Best Sudoku Players
00:20:29 21 min

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Last updated (UTC): 2025-12-08 04:08:53