######################
#....................#
#....................#
#........8..8........#
#.....Z..............#
#...######..######...#
#...#    #..#    #...#
#...#    #..#    #...#
#..Z#    #..#    #...#
#.Z.#    ....    #...#
#...#   ....##   #...#
#ZZ.#   ....#    #...#
#..Z#  .....#    #...#
#.Z.#            #...#
#...#            #...#
#.Z.#            #...#
#...#            #...#
#...##############...#
#............Z.......#
#........Z∩∩.........#
######################