by ranzolger
https://factorioprints.com/view/-LWY-DinCSVmp1fy3OVa
http://kirkmcdonald.github.io/calc.html#zip=bY1rCoNADIRvk18u1LYIteQwazaWwL7IxvtXLaUFJTAM802Y4M1j79Z7gHpjbEAVb5Ak4xUmjoazb+ZMfW61qLktg5Cw3iBM2DYl7AcQ49SQI5NpyUKORGkRG+fxfgF55aKMVGpldTWuU52svY+FVMISuX05+SnymJcYd3nurh+6//cTfDJ+LP1Wj/AN