#####################
#...................#
#.........∩.........#
#........∩.∩........#
#.......∩...∩.......#
#......∩.....∩......#
#.....∩.......∩.....#
#....∩.........∩....#
#...∩...⌠...⌠...∩...#
#..∩.............∩..#
#.∩....⌠..∩..⌠....∩.#
#..∩.............∩..#
#...∩...⌠...⌠...∩...#
#....∩.........∩....#
#.....∩.......∩.....#
#......∩.....∩......#
#.......∩...∩.......#
#........∩.∩........#
#.........∩.........#
#...................#
#####################