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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 "Sums", Setter contains "Michael Lefkowitz" and Solver contains "Mark" sorted by Id descending

Solver 1

  • Mark · 2 ✖

Setter 1

  • Michael Lefkowitz · 2 ✖

Constraints 3

  • Sums · 2 ✖
  • 4x4 · 1
  • S-Cells · 1
Id â–² Puzzle Title Date Solver Setter Constraints Video Video Length Video Length (Minutes)
9034 Oops! All Twins 2026-08-24 Mark Michael Lefkowitz 4x4, S-Cells, Sums
HOW Many Digits in a 4x4 Sudoku?
HOW Many Digits in a 4x4 Sudoku?
00:25:17 26 min
6852 Weird Arrows (9x9) 2025-02-05 Mark Michael Lefkowitz Sums
Is it the Arrows that are Weird? Or Something Else?
Is it the Arrows that are Weird? Or Something Else?
00:23:30 24 min

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Last updated (UTC): 2026-10-24 08:20:39