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