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

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