“A Grand Tour” and “Rainbow Matryoshka”

This week we have a challenging main course of a puzzle, “A Grand Tour.” As a bonus visual treat, we’d also like to share “Rainbow Matryoshka” – by far the most beautiful puzzle submission we received!

“A Grand Tour” by Ian Rackow, Brown University
[Download PDF]

  • Editor’s note: You are encouraged to use the following hints.
  • Accessibility note: Color vision is required.
  • “Rainbow Matryoshka” by Zayba Ahmed, University of Houston
    [Download Image]

  • Editor’s note: Don’t overthink it!
  • Accessibility note: Color vision is required.
  • Solutions will be shared next week, alongside a new set of puzzles. See you then!