.....                           
      ...                            
      ...                            
      ...                            
      #.#                            
      #.#                            
#######T#                            
........#                            
#######.########                     
  #......†..†..######                
  #.###.######..T<..#                
     #...    ######.#      ##...#!#  
    #....         #.#      #......   
   ......#      ###.###    #......   
  #####.##      #.....#     ....^    
      #.#       #.###.#     #...#    
      #.        #.# #.#      ...     
                #.###.#    # #.# #   
                #.....#    #.#[#.#   
                ###.###    #.#.#.#   
               ##.#÷##     #.....#   
            ####.....#########...####
            +..............[........+
            ####.....#########...####
               ##..###       #..##   
                ##.#         #.##    
                 #.#         #.#     
                 #.#         ...     
                 #.#         ##.     
                 #.#           .