. .              
    #               
#...  ..            
#...  ..#           
 ... ...#           
#(.( .              
  ..(...#           
    ((((#       .   
   ###(#########    
   #...(....(...    
  ∆#....3..(....   #
   #..#....(....    
   #.....((.....    
   # ...........  . 
    .R(..#######    
   #(....#     #    
  ('.....#     #    
 ###.   .#          
       . #          
   # . . #          
   '..( .   .   .#  
   #...  #  .