#               
                                
      .###    .#                
      ##.#####.#                
      #..#....#                 
      #.#4#...                  
      #..##...#                 
      #.##.4..#                 
      #.#.##..#..               
      .#.#......#               
  #  ..##.## ##.#               
   ...####... ##.#              
#.#.## .. .∩##....###           
 .......###.#  . ...#           
 #.#...# ..####...###