...                 
          ....b.               
          #....                
          .....                
           ...                 
           ...      ##+##      
           #.#    ###...###    
     #     #.#  ###.......###  
.#####.#####.####...........## 
............r.g#.....#'#.....##
.#.#...####.##.....###≈###....#
   #..    #.##...###.≈≈≈.###.<#
  ...     #.##..##..≈≈≈≈≈..##.#
 #..      #.#####.≈≈≈≈≈≈≈≈≈>###
  .       #.#   #############  
          #.#                  
          #.#                  
          #.#