46p4h1v0_synth46p4h1v0_synth.rle 88-glider synthesis of c/4 orthogonal spaceship 46P4H1V0. Discovered by Tanner Jacobi and Martin Grant on 4 February 2019, and subsequently optimized by several contributors. This is the first glider synthesis of a c/4 orthogonal spaceship. Repeat time for this synthesis variant ia 572 ticks, as shown. https://conwaylife.com/wiki/46P4H1V0 https://www.conwaylife.com/forums/viewtopic.php?p=70272#p70272