I just completed "Ticket Translation" - Day 16 - Advent of Code 2020
https://adventofcode.com/2020/day/16 #AdventOfCode

I made the huge mistake of not filtering out the invalid tickets in step 2, so
this cost me hours... and three approaches to get it solved.

https://github.com/coderbyheart/adventofcode/tree/ec09102ba69f3f8e9fa7b9972b15b7f984f3f75e/day16