If you have trouble following an arrow or finding a number, the SVGs below have some mouseover highlighting and are searchable. If you get stuck (or are finished and want to learn more) email me (benjamin.monreal@case.edu) or ping me on Twitter @benmonreal for a link to the solutions.
The puzzle is intended to be printed out on two posters. You can purchase both posters from my Zazzle.com store (any income here donated to MIT Mystery Hunt). If you do have a poster printer, download and print your own: