Day 25

<https://github.com/lojic/LearningRacket/blob/master/advent-of-code–2021/solutions/day25/day25.rkt|Day 25> - takes about 1.1 seconds, so let me know if you’re getting much quicker results, and I may do some performance tuning :)

https://github.com/benknoble/advent2021/blob/main/day25/solution.rkt As noted earlier, slow (~20s)

Merry Advent everyone!