#####                     ##########                
           #...###  ###              #.........                
           #.#... ....#   ############.########                
  #####     ....  ..#.#   #..................##    ###         
 ##...##    #..#  #.#.#   #.#.................. # #..#         
##.....##   #..#  #.#.#   #.#.###.........#####..#.#.#         
#.......#####..#  #.#.#   #.#.# #.####....#   #.#.##.#         
#..............#  #.#)#   #.#.# #.#  #....#   #...##.#         
#.......######.#  #.#.#   #.#.# #.# ##.)#.#   #.#.##.#         
##.....#######.####.#.##  #.#.# #.# #.....#####.#.##.####      
 ##.†.##.....)....<....####.#<###.###...#.......#.......##     
  ##.###.#####.####.##...†[....)........###..#...........######
   #.#  .#   #<.# #..[............###.........................#
   #.###.##  ##.# ####.###..####### #...###..#.###.#.##..####.#
   #...OB.#    .#    #.# #>.#       #.    #..#.#.....##..#     
   #####..#    .#    #.# #..#       #.    #......###.##..#     
        ..#    .#    #.# ...#             .......  #..<..###   
        ..#    .#    #.#.##.#            ##......# #.......#   
        ..#          #>#. #.#             #..#.#.....###.#.#   
        ..#          #.#  #.#             ...#.###.##  #.#.#   
        ..#          #.#                         #     #.# #   
        ...                                            ...     
                                                       ###     
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
                                                               
              ∩