77                                         
  777777  7P777       77       777777                
 77...P7   7..77   ~ 77.7   7777....777              
77..<..7   7.7.7   ~~7...7777.....7...77             
7......7   77.77   7~~~...7.....77777..###           
777..7.7   77.7      7~~~...77777   7....#           
  77..77  77.77      77~~~~77       77...#           
  77.77   7.77        777~~~777    777.#.########    
  7..7    7..777      777..~~~7    7..##...hh...#    
  7.77    777..77   777...777777...h.##########.#    
  7.7       777.77 77...777   .....##           ..   
  7.777       77.777.7777     ....               #.. 
  77..777   77777...77        ...                  .#
   777..77777....7777         ..                    #
     777.....77777            .                      
       777P777                                       
         777