.            
                           
                           
                .          
                           
                           
                           
                        #  
           .          .    
               .    .      
                 ## .  ..  
             .. .       #  
            #        #.    
              .#..  .. . # 
          . #  .... . .  # 
          .     .   # .    
         +.  ## . . . .#   
  #      #. #  . ..   .    
         #.R#   .# ### ..# 
 ##..    # .  .....#     # 
   #.## ##.. ###.    #     
 .....#......###..###      
#     .R... X#..###.#  #   
   . ....... . .#.X.##..###
    .. .. .... #§#........#
  # .###....  #..##...#..##
  # #  ###..  #.##..#.#  # 
         # ..## . ##....   
           § #   .  #....# 
            # #..#   .#..# 
          ...# .#.    #..# 
           .   #           
          ... .