#.     #    
     ##.##   .    
     #...#  .#    
     #...#  .#   .
  ####...###.###.#
  #...........∩.# 
  #......o.)..S#.#
  #......S.......#
  ###..?o##.......
    #....# .....##
    #So..# #...## 
    #?####  #..#  
    #o#      ..#  
    #.#       .#  
#####.#       .#  
#..†S.####        
#o###.......      
#.a.........      
#..o##..##..      
##.## #... #      
 #.#   #..#       
 #..    ..#       
 #...    .#       
 #.#..            
 #.#...           
 #...###          
 ... #