28 turns; that's pretty good.
I don't think anyone else will beat us to it in that time frame, really. They'll need to clear Education via Scientist bulb and slow-research Lib, which should be much slower with PHI/SPI.
I don't think anyone else will beat us to it in that time frame, really. They'll need to clear Education via Scientist bulb and slow-research Lib, which should be much slower with PHI/SPI.