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     777.....77777        77....########+#
   777..77777....7777     7.....##        
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  7.777       77.777.7777  77.....##      
  7.7       777.77 77...777 77.....###    
  7.77    777..77   777...777777.....##   
  7..7    7..777      777..~~~777777..##  
  77.77   7.77        777~~~777    777.## 
  77..77  77.77      77~~~~77       77..# 
777..7.7   77.7      7~~~...77777   7..## 
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 77...P7   7..77   ~ 77.7   7777....777   
  777777  7P777       77       777777     
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