...       
       #...#     
       #...###   
       #.....#   
     ###.....### 
      .......... 
       ......#   
.#######.z.?.#   
........<....#   
...#####z....h...
       ##....##. 
         ....#   
         ..###   
         ...     
         ....    
         ....    
         .