#C c/4 diagonal spaceship
x = 20, y = 19, rule = B35/S236
b5o$2bo2b2o$obo$2bo2b2o$4b2obo$2b2obo3b2obo$6b3o3bo$8bob2o$7bo3b2ob2o$
12bob2o$7b4o2b2o$7b2ob4obo$9bo2b4o$9b2o2b4o$16b2o$16b2obo$16b2obo$16b2o$
17bo!