How can a jigsaw have two distinct solutions?

Learn more about Jane Street’s internship opportunities: https://jane-st.co/SUM-internships

Check out Steve’s video:    • This new type of illusion is really h...  

This is Ryan’s Diffusion Illusions site: https://diffusionillusions.com

And here is the full “Diffusion Illusions: Hiding Images in Plain Sight” paper by Ryan Burgert, Xiang Li, Abe Leite, Kanchana Ranasinghe and Michael S. Ryoo. https://diffusionillusions.com/assets...

Download of the jigsaw: https://www.dropbox.com/scl/fi/rennmo...

Here’s the layout of the different edge types: https://www.dropbox.com/scl/fi/dvylpf...

Huge thanks to my Patreon supporters. They provide all the valid solutions I need.   / standupmaths  

CORRECTIONS
None yet, let me know if you spot anything!

Filming by Alex Genn-Bash
Editing by Gus Melton
Written and performed by Matt Parker and Steve Mould
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson
Dice on loan from the Bec Hill collection

MATT PARKER: Stand-up Mathematician
Website: http://standupmaths.com/