by ranzolger
https://factorioprints.com/view/-LWY-DinCSVmp1fy3OVa
http://kirkmcdonald.github.io/calc.html#zip=bY3bCgIxDET/Jk/bhyosWsnHdLNRAumFXv7f7oqroAQOIZOZWX3zaM2YKxTfGCtQxjOsAfPggnUjoZ1BGoeKrEytpChkSAp1ae7uTheQR0yFkVLOXEzWkTXJ+HutENLaletbJ78ou1vsqs7O07fL7ccNh/yn89A+Hb/GJw==