######################
#....................#
#....................#
#........8..8........#
#....................#
#...######..######...#
#...#    #..#    #...#
#...#    #..#    #...#
#...#    #Z.#    #...#
#...#............#Z..#
#...#.####.......#M..#
#..Z#    #.......#...#
#...#    #.......#...#
#...#    #.∩.....#...#
#...#    ....+####M..#
#...#    #...#   #Z..#
#...#     ...    #.Z.#
#...##############...#
#...........ZZZ......#
#.........∩∩.....Z...#
######################