hyper-neutrino@computer-name:/directory$ time python3 src.py < input.txt
11079

real    2m26.131s
user    2m26.091s
sys     0m0.030s

[2021]  6*
[2020] 50*
[2019]
[2018] 24*
[2017]
[2016] 16*
[2015] 47*

[2021] 38* (AoC++)
[2020] 50*
[2019] 31*
[2018] 21*
[2017] 45*
[2016] 31*
[2015] 50*

var enh = work.input[0].split("").map(x => ".#".indexOf(x));
var img = work.input.slice(2).map(r => [...r].map(x => ".#".indexOf(x)));

var run = (img) => {
    var out = [...Array(img.length + 2)].map(_ => [...Array(img[0].length + 2)].fill(0));

    out = out.map((r, y) => r.map((d, x) => {
        var ns = [[x, y], ...[x, y].neighbors()].sort((f, h) => f[1] - h[1] || f[0] - h[0]);

        return enh[parseInt(ns.map(n => (img[n[1] - 1] || [])[n[0] - 1] || 0).join(""), 2)];
    }));

    return out;

Day       Time  Rank  Score       Time  Rank  Score
 20   00:29:25   601      0   00:30:42   486      0