#################
................#
................#
 +#......###....#
  ##....## ##...#
   #....#   #...#
   #....#   #ZZZ#
  {##..##   ##..#
   {#.. {   {#..#
    #..     {#.∩#
   {#..     {#..#
    #..     {#..#
    #..      #.∩#
   {#Z     { #..#
   ##..     ##..#
   #...     #...#
   #.... { {#...#
  ##....#  ##...#
  #.....Z#+#....#
  ..............#
  ........Z.....#
  ###############