✏️ Pencil Puzzles
Data source: Cracking the Cryptic Catalogue · About: View on GitHub
10 rows where Constraints contains "O/E" sorted by Id descending
Type 4
- Latin Square · 7
- Fillomino · 1
- Skyscrapers · 1
- Suguru · 1
Setter 6
- Marty Sears · 4
- Math Pesto · 2
- Justin Vitanza · 1
- Michael Lefkowitz · 1
- Peter Veenis · 1
Constraints 25
- O/E · 10 ✖
- Difference · 3
- Ratio · 3
- 7x7 · 2
- Count · 2
| Id ▲ | Puzzle Title | Date | Solver | Type | Setter | Constraints | Video | Video Length | Video Length (Minutes) |
|---|---|---|---|---|---|---|---|---|---|
| 8534 | RAT RUN: One Year Earlier | 2026-05-06 | Simon | Latin Square | Marty Sears | Difference, Non-Repeat, O/E, Pathway, Ratio | ![]() |
01:20:57 | 81 min |
| 8525 | Something Stupid | 2026-05-04 | Simon | Latin Square | Marty Sears | Fog, German Whispers, Non-Repeat, O/E, Ratio, Repeat Digits, Zipper Lines | ![]() |
01:01:02 | 62 min |
| 8503 | RAT RUN 36: Alternating Currant | 2026-04-29 | Simon | Latin Square | Marty Sears | Difference, Equal Sums, O/E, Pathway, Ratio, Repeat Digits, Zipper Lines | ![]() |
01:29:14 | 90 min |
| 8117 | Inset | 2026-02-02 | Mark | Latin Square | Michael Lefkowitz | Gattai, O/E, Sums | ![]() |
00:26:43 | 27 min |
| 7476 | Pro-Diagonal | 2025-08-06 | Simon | Latin Square | Justin Vitanza | Anti-Knight, Counting Sets, Diagonal, O/E | ![]() |
00:59:51 | 60 min |
| 6854 | Connect 4 Draw | 2025-02-06 | Simon | Latin Square | Marty Sears | 7x7, Count, Difference, O/E | ![]() |
00:49:44 | 50 min |
| 6057 | Happy Birthday Simon! | 2024-06-08 | Simon | Latin Square | Peter Veenis | 7x7, Killer, Little Killer, O/E, Polyominoes | ![]() |
00:54:35 | 55 min |
| 4867 | Bridges and Fillings | 2023-07-15 | Simon | Fillomino | Math Pesto | Count, O/E | ![]() |
00:52:01 | 53 min |
| 2809 | Suguru Chaos Deconstruction | 2022-03-02 | Mark | Suguru | Math Pesto | Arrow, Chaos Deconstruction, O/E | ![]() |
00:46:34 | 47 min |
| 1297 | A Birthday Present | 2020-07-21 | Simon | Skyscrapers | Prasanna Seshadri | Cipher, Gaps, O/E, Star Battle | ![]() |
00:37:30 | 38 min |
Advanced export and query
JSON shape: default, array, newline-delimited, object









