eaterheadsiameseeatertail_synth 4-glider synthesis of eater head siamese eater tail, with other syntheses from Mark Niemiec's database at https://conwaylife.com/ref/mniemiec/12/12-85.rle https://conwaylife.com/wiki/Eater_head_siamese_eater_tail https://conwaylife.com/patterns/eaterheadsiameseeatertail_synth.rle