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🔢 Sudoku Puzzles

Sudoku puzzle-solving videos from CTC.

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

2 rows where Constraints contains "Quadruple" and Setter contains "Scott Williams" sorted by Id descending

Solver 1

  • Mark · 2

Setter 1

  • Scott Williams · 2 ✖

Constraints 4

  • Quadruple · 2 ✖
  • Kropki · 1
  • Primes · 1
  • Region Sum Lines · 1
Id â–² Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
8640 Battleaxe 2026-05-28 Mark Scott Williams Quadruple, Region Sum Lines
Do Battle with this Sudoku!
Do Battle with this Sudoku!
00:27:54 28 min
6916 Prime Time 2025-02-24 Mark Scott Williams Kropki, Primes, Quadruple
It must be Time ... Time for Prime!
It must be Time ... Time for Prime!
00:34:16 35 min

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Last updated (UTC): 2026-06-05 07:53:12