#N 4c/9 ladders #O Dean Hickerson #C Several related 4c/9 ladders for the Life without death rule, found #C in 2000. #C www.conwaylife.com/wiki/index.php?title=Life_without_death x = 20, y = 258, rule = b3/s012345678 3bobo14b$b7o12b$b3ob3o12b$9o11b$b9o10b$bob3ob2o11b$4ob3o12b$b8o11b$4ob 3o12b$bob3ob2o11b$b9o10b$9o11b$b3ob3o12b$b7o12b$3bobo14b3$3bobo14b$b7o 12b$b3ob3o12b$9o11b$b9o10b$bob3ob2o11b$4ob3o12b$b8o11b$b8o11b$4ob3o12b $bob3ob2o11b$b9o10b$9o11b$b3ob3o12b$b7o12b$3bobo14b3$b2obo15b$b6o13b$ 3ob3o13b$b7o12b$b8o11b$5ob2o12b$b2ob3o13b$b7o12b$8o12b$bobo3bo12b$b6o 13b$7o13b$bob3obo12b$b3ob3o12b$9o11b$8o12b$bob3o14b$b5o14b$3bo16b3$2ob obobo12b$b9o10b$bob3ob3o10b$11o9b$b11o8b$b3ob3ob2o9b$2ob3ob3o10b$b10o 9b$b10o9b$3ob3ob3o9b$b9o10b$bobobobo12b$9o11b$b9o10b$3ob3ob2o10b$b4ob 3o11b$b9o10b$10o10b$3ob3o13b$b6o13b$b2obo15b3$3bo16b$b5o14b$bob3o14b$ 9o11b$b8o11b$b3ob3o12b$2ob3ob2o11b$b8o11b$b7o12b$3ob3o13b$b6o13b$bobob o14b$7o13b$b6o13b$b2ob3o13b$5o15b$b5o14b$b6o13b$3ob2o14b$b4o15b$bobo 16b$2obo16b$b5o14b$bob3o14b$9o11b$b8o11b$b3ob3o12b$2ob3ob2o11b$b8o11b$ b7o12b$3ob3o13b$b6o13b$bobobo14b$7o13b$b6o13b$b2ob3o13b$5o15b$b5o14b$b 6o13b$3ob2o14b$b4o15b$bobo16b$2obo16b$b5o14b$bob3o14b$9o11b$b8o11b$b3o b3o12b$2ob3ob2o11b$b8o11b$b7o12b$3ob3o13b$b6o13b$bobobo14b$7o13b$b6o 13b$b2ob3o13b$5o15b$b5o14b$b6o13b$3ob2o14b$b4o15b$bobo16b$2obo16b$b5o 14b$bob3o14b$9o11b$b8o11b$b3ob3o12b$2ob3ob2o11b$b8o11b$b7o12b$3ob3o13b $b3ob2o13b$bo2bo15b$9o11b$b4ob3o11b$b10o9b$11o9b$b2ob3ob3o9b$b4ob3o11b $10o10b$b4ob3o11b$b2ob3ob3o9b$11o9b$b10o9b$b4ob3o11b$9o11b$2bobobo13b 3$3bo16b$b5o14b$bob3o14b$7o13b$b6o13b$b3ob2o13b$2ob3o14b$b6o13b$b6o13b $3obo15b$b5o14b$bob3o14b$8o12b$b8o11b$b4ob2o12b$3ob3o13b$b7o12b$b7o12b $5ob2o12b$b5o14b$b2obo15b$5o15b$bobo16b$b4o15b$3obobo13b$b8o11b$b2ob3o b2o10b$11o9b$b9o10b$b4ob3o11b$3ob3ob3o9b$b10o9b$b10o9b$2obobobobo10b$b 10o9b$b2ob3ob3o9b$12o8b$b12o7b$bob3ob3ob2o7b$4ob3ob3o8b$b12o7b$b12o7b$ 2ob3ob3o10b$b9o10b$bobobobobo10b$9o11b$b2obobobo11b$b9o10b$2obobobobo 10b$b11o8b$b3ob3ob3obo6b$15o5b$b14o5b$bob3ob3ob3o6b$4ob3ob3ob2o5b$b14o 5b$b14o5b$3obobobobobobo5b$b15o4b$b3ob3ob3ob3o4b$17o3b$b15o4b$b2ob3ob 3ob3o5b$5ob3ob3ob3o3b$b16o3b$b16o3b$3ob3ob3ob3o5b$b14o5b$b2obobobobobo 7b$13o7b$bobobobobobobo6b$b13o6b$3obobobobobobo5b$b16o3b$b4ob3ob3ob3o 3b$19ob$b19o$b2ob3ob3ob3ob3ob$5ob3ob3ob3obob$b17o2b$b17o2b$5ob3ob3ob3o bob$b2ob3ob3ob3ob3ob$20o$b18ob$b4ob3ob3ob3o3b$2b15o3b$2bobobobobobobo!