initial state: ##.#..#.#..#.####.#########.#...#.#.#......##.#.#...##.....#...#...#.##.#...##...#.####.##..#.#..#.

..#.. => .
..#.# => .
#.#.. => .
.#..# => .
#.... => .
....# => .
.#.#. => #
#.### => .
####. => .
..... => .
.#... => #
##### => #
.#### => .
#..#. => #
#...# => #
.###. => .
###.# => #
...## => #
#.##. => #
.#.## => #
##.#. => #
...#. => .
..### => #
###.. => #
##... => .
..##. => .
.##.# => .
##.## => .
.##.. => .
##..# => #
#.#.# => .
#..## => #