######################
#....................#
#......Z.............#
#........8Z.8........#
#...Z....MZ..........#
#.Z.######ZZ######...#
#.ZM#    #^.#    #...#
#.Z.#    #.^#    #...#
#Z.Z#    #^^#    #ZZ.#
#.ZZ#    ....    #...#
#...#   ....##   #...#
#Z.Z#   ....#    #...#
#.MZ#            #...#
#...#            #...#
#.ZZ#            #Z..#
#...#            #...#
#.Z.#            #...#
#...##############.   
#..................   
#.........M∩.......   
###################