#N R-pentomino
#O John Conway, 1969
#C Five cells that refuse to settle. It runs for 1,103 generations, throws off six gliders, and finishes as 116 cells of debris. Conway's group traced it by hand on a Go board before they had a computer to do it.
#C Exported from Lifeform
x = 3, y = 3, rule = B3/S23
b2o$2o$bo!