Contest Puzzle 4 is now closed and the results are in. A total of 85 solvers figured out the meta. You can see the full write-up and solution here. Thanks for participating, and for all the great feedback! Also, special thanks to Matt Gaffney, who continues to blog about the puzzles at Amy Reynaldo’s site.
The next puzzle will be ready Tuesday June 4. Want to try it? If you sign up in the box at the bottom right corner of this page, you’ll get an email when it’s ready.