###########   
             #...<.....#   
             #<........#   
             #.........#   
          ####......†..#   
         ##.(..........##  
      ####..##........(.#  
   ####....###..........#  
..##.........##########... 
........a....#         ##.#
#.#.....O.(.(#           .#
  #....###.......          
....##.  #......(          
...  ##  ##......          
..         ......          
.          #.....          
            ...[.          
            .....