Help regarding 2021 Day 19

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  • advent21

    Advent of Code 2021 (by h-j-k)

    You can try to read my walkthrough... You cannot just match one edge to another edge, as there may be match in magnitude but are in fact totally off. You have to test for all edges, and you'll eventually know if two scanners line up if there's more than just two 'lucky' points (i.e. edge) that exists for both scanners.

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