by ranzolger
https://factorioprints.com/view/-LWY-DinCSVmp1fy3OVa
http://kirkmcdonald.github.io/calc.html#zip=dU7RCsIwDPybPK1gJwyc5GPSNJNC15Y28/vdhqLiJHCEu8tdPCmhNetcoJIKNuCCZ5hDwh6cRMWJmhqtlFrJVc3GgZ+xnME7bBsy2gGCytyQ/J0SizccKi9Bx2m0/QnCLeUqWOKaFdg4qh3nUqSalVLpJAprzWnVnocwZ79EOUhMS4w7XPfNDq8oJhflv7w3Hci/3Qemj8/f6pflAQ==