of life. It was found in 1971. It is a billiard table configuration. They can be elaborated as much as desired within a square lattice. I‘m using free software “golly.exe” for display. ★ cf. http://www.conwaylife.com/wiki/Scrubber http://www.conwaylife.com/wiki/Lifeline_Volume_3
lattice. I found or selected five kinds of stator. By using them, arrangement of scrubber can be performed very simply. 1-side 2-side a 2-side b 3-side 4-side ★