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

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