Fascinating! One of Affirm's old job application puzzles was about a hexagonal grid. I did a write-up[1] of how I solved it, unaware that I was reinventing the

Fascinating! One of Affirm's old job application puzzles was about a hexagonal grid. I did a write-up[1] of how I solved it, unaware that I was reinventing the wheel. The cube coordinates abstraction would have been killer for being able to explain things to myself. [1]: http://vincentwoo.com/2013/03/08/above-and-beyond-the-affirm-job-puzzle/ http://vincentwoo.com/2013/03/08/above-and-beyond-the-affirm...