The last IMO problem AI could not solve

A beautiful puzzle that eluded AI, and the intuition it requires. Check out our virtual career fair: https://3b1b.co/talent See new videos early: https://3b1b.co/support An equally valuable form of support is to simply share the videos. Home page: https://www.3blue1brown.com Note for the quote at the end: The person who wrote that wanted me to relay a desired edit to the second paragraph, asking that it instead read, "I believe the value of this question as a mathematical discovery is no less real than that of frontier mathematics, albeit different in nature." Guest post I referenced on Terr