#.               
     #.               
     #.               
    ##.##             
   ##...##            
  ##.....##           
 ##.......##   ∆      
##.........##         
#....(......##        
......#......##       
s....###..)...##      
=...#  ##......## #   
...#    ##......#.#   
(.#      ##.......##..
.#        ##..<.....# 
          #...)...#...
         #......#.# . 
        #......##.#   
       #......##  #   
      #......##       
      ......##        
      .....#