#####             #    
 ##...#####        .##   
##........## ######..##..
#..........###§#§§§...5..
##..........#.§§§§§4..#  
#.............§§§######  
 #............####       
 #..........###          
 #.#....#.###            
 ####..####              
   ##..#                 
  ##..##                 
  #..##                  
  #...##                 
  ##...##                
   ##...#                
   ##...#                
   #...##                
  ##...##                
 ##.....##               
 #...∩...#               
 #.......#               
 ##..∩..##               
  ##...##                
   #####