##.... 
            ##.......
            #........
  ####      8........
 ##..##    ##........
##....######.........
#....4..##...........
#..∩∩4............⌠..
#....4...............
##....##..##.........
 ##..########........
  ####      8........
            #........
            ##.......
              ##.....
                #####