by ranzolger
https://factorioprints.com/view/-LWY-DinCSVmp1fy3OVa
http://kirkmcdonald.github.io/calc.html#zip=fY7RCsIwDEX/pk/2YUwHTvIxXZqNQNeWNBU/384HwakjcAiXk3C9UwedbXM14pSgGMzQm5Vj40RBgR5ZqBSr4mLJSdRusfEr5N74CcpGhG4wrLQWyJKw+RwXWyPrOI+Xs+ElJiFw/u4ikrfIgpX1RIFQJUXGd1RqmKu0wCF7syZfA5WvyzHWEHa4vbZu+PH1UN83PnI/2v2Rng==