RLE:13x13maxdensity

x = 0, y = 0, rule = B3/S23 15b$b2ob2obob2ob2ob$b2obob3obob2ob$4bo5bo4b$b3ob5ob3ob$bo2bo5bo2bob$2bobo2b2obobo2b$b2obobobobob2ob$2bobobobobobo2b$bo2bobobobo2bob$b4obobob4ob$7bo7b$b5obob2ob2ob$bo2bob2ob2ob2ob$15b$!