##                     
 #.      #              
#...     ..             
.....    .#.    .##  #. 
  ...##  §§.   ...###.. 
 #.#...##3##. #. ..#..  
 #......#.##.#.  ....   
      # .#..#.###..#    
      #.3###.#..#.#     
      #....#.....##     
      #.#....###..#     
      #..##.##5(...#    
      ###..#..#.......  
        ##.#.......#....
       #.....#h...## ...
      #..#.##..#.##   .#
      ....  .###..#    .
      .#..... #....     
     .# #... #..∩