.           
                          
                          
      3  ...   .          
      N   ..  .           
5.     N5                 
      # ..#               
        ....###           
    #  # .....##          
     .  #  ..... ##       
    ..      ...#..#  #    
       #######...   .     
       #.........###      
       #.#.##.##.#.###  # 
       #.####.....# .  .# 
       #.♣ #..##§###. ..# 
       ♣.♣♣## ##.#..##.#  
       ####..##..#..#..## 
          ##.#...v.v.#..##
          .....v.#.v......
            #....v...#    
            #...v1.v##    
            #..##..3.#    
          ....#.#.#v..#   
          ##  #.#...#..#  
              . ###.....# 
             ##    v..#.# 
                   #....# 
                     # #