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

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