#.#                                               
          ..                                                
         #.#                                                
         ..                                                 
       ##.#                                                 
      ##..#                                                 
      #..#                                                  
 ######<.####                                               
#...........#                                               
#####...†a...#                                              
   #..........#                                             
   #...........#                                            
   #............                                            
   #............                                            
   ##...........                                            
    #...........