! oquadloaf.cells
! https://conwaylife.com/wiki/O_quad-loaf
! https://conwaylife.com/patterns/oquadloaf.cells
.....O....
....O.O...
...O..O...
..O.OO.OO.
.O.O..O..O
O..O..O.O.
.OO.OO.O..
...O..O...
...O.O....
....O.....