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