#C replicator breeder #C David I. Bell, 1994 x = 41, y = 37, rule = B36/S23 bb3o$bobbo$o3bo$obbo$3o6$33bo$32b3o$31b3obo$30boobb3o$29boo3boo$28b3o bboo$29bob3o6bo$30b3o7bo$31bo8bo5$36b3o$35bo3bo$35bo3bo$35bo3bo$36b3o 5$34b3o$33bobbo$32bo3bo$32bobbo$32b3o!