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✏️ Pencil Puzzles

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

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

6 rows where Setter contains "Michael Lefkowitz" sorted by Id descending

Type 3

  • Latin Square · 4
  • Miscellaneous · 1
  • Tessellation · 1

Solver 2

  • Simon · 4
  • Mark · 2

Setter 2

  • Michael Lefkowitz · 6 ✖
  • ThePedallingPianist · 1

Constraints 15

  • Sums · 2
  • 7x7 · 1
  • Arrow · 1
  • Count · 1
  • Disjoint Groups · 1
  • Full Rank · 1
  • Gattai · 1
  • Incomplete Clues · 1
  • Inequality · 1
  • Mean Mini · 1
  • Nested Grids · 1
  • Non-Repeat · 1
  • O/E · 1
  • Region Building · 1
  • Thermo · 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
7890 Sudoku en rouge, jaune, bleu et noir 2025-12-01 Mark Miscellaneous Michael Lefkowitz  
Sudoku as a Work of Art
Sudoku as a Work of Art
00:42:50 43 min
7704 Full Rank Tessellation 2025-10-09 Simon Tessellation Michael Lefkowitz, ThePedallingPianist Full Rank
This "Sudoku" Is An Actual Miracle.
This "Sudoku" Is An Actual Miracle.
01:07:36 68 min
7285 The Wall 2025-06-10 Simon Latin Square Michael Lefkowitz Count, Inequality, Non-Repeat, Sums
The Wall: A Pink Floyd Sudoku Tribute
The Wall: A Pink Floyd Sudoku Tribute
02:01:48 122 min
7216 Square of Squares 2025-05-20 Simon Latin Square Michael Lefkowitz Arrow, Disjoint Groups, Mean Mini, Nested Grids, Region Building
Is This A Sudoku? A New Discovery
Is This A Sudoku? A New Discovery
01:11:23 72 min
5604 Heat Stroke 2024-01-21 Simon Latin Square Michael Lefkowitz 7x7, Incomplete Clues, Thermo
A Miracle Thermometer Sudoku
A Miracle Thermometer Sudoku
01:02:46 63 min

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