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✏️ Pencil Puzzles

Pencil puzzle-solving (excluding sudoku) videos from CTC.

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

3 rows where Constraints contains "Sums" and Solver contains "Mark" sorted by Id descending

Type 1

  • Latin Square · 3

Solver 1

  • Mark · 3 ✖

Setter 2

  • Michael Lefkowitz · 1
  • mellowrobinson · 1

Constraints 9

  • Sums · 3 ✖
  • 5x5 · 1
  • 8x8 · 1
  • Consecutive · 1
  • Gattai · 1
  • Linked Grids · 1
  • Non-Repeat · 1
  • O/E · 1
  • Quadruple · 1
Id ▲ Puzzle Title Date Solver Type Setter Constraints Video Video Length Video Length (Minutes)
8117 Inset 2026-02-02 Mark Latin Square Michael Lefkowitz Gattai, O/E, Sums
Think it Through!
Think it Through!
00:26:43 27 min
7653 4x4?? 2025-09-24 Mark Latin Square mellowrobinson 8x8, Consecutive, Quadruple, Sums
Mellow Magic
Mellow Magic
00:34:07 35 min
7624 Farm to Market 2025-09-18 Mark Latin Square   5x5, Linked Grids, Non-Repeat, Sums
An Agricultural Puzzle by Jane Street!
An Agricultural Puzzle by Jane Street!
00:48:06 49 min

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Last updated (UTC): 2026-02-12 05:15:26