20 50 10
..##..#..#....#.#.#.
.#..#......##...#...
.##...###.#####.....
....#...#..#.....##.
.####...#.#..###..#.
#...#.#.#.##.#.###.#
###...#####.........
.#..#.#....##.#.#..#
....###.###..##.##.#
#...........##..#..#
##.##.#.#......#.#..
###.#.#...#.#.......
.....#..#.......##.#
####...###.#.#......
#.#..#.##..####.#...
#.#.#####....##.#..#
....##.#....##....#.
.#.....##.#......##.
.##.###...####..#...
.#.....##...#.....#.
