I found this line in the first line of the first page of this thread: >It's still an open problem as to whether there exists a spaceship in B3/S23 which fits w

I found this line in the first line of the first page of this thread: >It's still an open problem as to whether there exists a spaceship in B3/S23 which fits within a 1-by-N bounding box in one of its phases. So they use the "typical" rule here.