12.in

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

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