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

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