.#..     
              ...      
              ...     .
              ...   #..
              #.#  ..#.
      #       # # .... 
    ##..####  # #..#   
    #.#.. ∩.###....    
     #...#. #. ####.#  
   ###.......#...#     
   #............###    
   #..#....##.....#    
## ##....#.#.##......  
...#.#..........#... . 
..#.#...)..#.......... 
............##...... # 
#..#...3.#(## ..##.### 
  #.......##  .....    
  #.......#    #.##    
  #..#..#..#    ..     
....#...###..          
#.....#..  ...#        
.##.#...#   #..        
  ...##.#    ..        
 .#.. ...