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: https://youtu.be/FMRi6pNAoag 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/diffusion_illusions.pdf Download of the jigsaw: https://www.dropbox.com/scl/fi/rennmoqgzjdup5uof7qna/jigsaw_jumbled.pdf?rlkey=u4v18cwbvut672hqx895tqga0&dl=0 Here’s the layout of the different edge types: https://www.dropbox.com/scl/fi/dvylpftby1uzlrmpdt1mp/matt-jigsaw-layout.pdf?rlkey=512hqdr9y9h5mxjonhxiwhsy4&dl=0 Huge thanks to my Patreon supporters. They provide all the valid solutions I need. https://www.patreon.com/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/