$                     
                                 
                                 
  ##                             
  #.                             
 ##b                             
##..                             
#...                             
#...###                         $
#.....#                          
 #..<.##                         
 ##....#                         
  ##...##      ####              
   #....##  ###...##             
   ##....####.$....##            
    ##...##...y.....#            
     #...#....y.#....#           
     #........###   .            
     #......###                  
     ###...##                    
       #####