! lightweightschickengine.cells ! Paul Schick, 1972 ! https://conwaylife.com/wiki/Schick_engine ! https://www.conwaylife.com/patterns/lightweightschickengine.cells .O..O............... O................... O...O............... OOOO.........OO..... ......OOO.....OO.... ......OO.OO......OOO ......OOO.....OO.... OOOO.........OO..... O...O............... O................... .O..O...............