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