######    
                            #....#    
#############               #....#    
....(...>...#################....#    
   #............†................#    
   ##..####...###############....#    
    ##.#  ###.#             #.(..#    
     #.###  #...            ###.##    
     #...#  ####..            #.##  .#
     ###.#      #..           #..##.# 
       #.#    ..  #          ###....# 
       #.#  #.#              #..†..## 
 ...####a##...#              #.##.##  
 ......rb†..#                #.# ..#  
 .#.#.#.#...#               #..# #.#  
 .............#            #..##  ..  
 .#.#.#.#.....#            #.#    ... 
 ..............#           ..     ....
 .#.#.#.#.......#         ..#         
 .........##.#...        .##          
 .#.#.#.#.. .....       ..