#.  .#        
   #. #.# .#        
   #.##.##.#        
 ###.#...#.         
 .........##        
  ##.......####  #  
  #....sb.....##.#  
  #......{.#...#.#  
  #.#.....#......#  
  ..##...†.......#  
  #.#######.....##  
  #.#  #####...#### 
  #.#  #............
  #.#  #.###...#####
  #.#  #.# ##.##    
  #.#  #.#   .#     
 ##=# ##.##  .#     
 #..###...###.#     
 #..<.........#     
 #.####...#####     
 #÷#  ##.##         
 #.#   #.#          
 ...   #.#          
##.#.  #..          
 .....  .#          
 #.# .#             
 ..# .#             
 ###  .