###############################
#∩...........................∩#
#......Z.Z....................#
#..###'###+###'###'###'#####..#
#..#...#   #...#...#...#   #..#
#..#.####+####'#'#######   #..#
#..#.#....#....#....#      +..#
#..###....#....#....#      #..#
#..'.#....#....#....#      #..#
#..#.#.........#....#      #..#
#..#.####......######      +..#
#..###...............      #..#
#..Z.#...............    # #..#
#..#.'........???....    #.#..#
#.Z#.#.......?!$?!...    +.'..#
#..########..!$∩$!..#    ###..#
#.Z'.#.......!!$??...      #..#
#..#.#........?!?....      #..#
#..#.'....'..........      +..#
#..###...............      #..#
#..+ ####......#.....      #..#
#..#  .........# ....      #..#
#..# +....#....#  ..#      +..#
#..# #....#....#   .#      #..#
#..+ #....#....#    #      #..#
#..# #########+#           #..#
#..#                       #..#
#..#