Advent of Code 2019/15 - visualisation

This year I also did some Advent of Code. Day 15 is about a droid to find the shortest path to the broken oxygen system. Then rapair it, and calculate how long it takes to fill the area with oxygen. Here is a visualisation:

aoc-15-2019-visualisation

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Written by Michał Łoński on 23 December 2019