#N Small lake
#C A 20-cell still life.
#C http://www.conwaylife.com/wiki/index.php?title=Small_lake
x = 9, y = 9, rule = B3/S23
4bo4b$3bobo3b$3bobo3b$b2o3b2ob$o7bo$b2o3b2ob$3bobo3b$3bobo3b$4bo!