######+##     ####+####
     #.......#     #.......#
     +.......+     #.......#
     #.......#     #.......#
     #......?#     +.......+
     #>..u...#     #.......#
     ######'##     #.......#
        #...#      ####'####
       ##.###        #..#   
      ##..#          #.##   
      #..##          #.#    
   ####.######     ###'#####
   #.........#     #.......#
 ###.........###   #.......#
#..............#####.......#
..##.........#....†'.......#
#  #.........#######.>.>...#
   #.........#     #.......+
   #.........#     #>......#
   ###########     #.......#
                   #########