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               ch1248
              OO design slide
              ch1248
              OO design slide
              
               yuiseki
              yuiseki
              
              
               InoHiro
              InoHiro
              
              
               
               
               
               
             
               
               
               
               
             
               
               
             
               
               
             
               
               
               
             
               
               
               
             
               
               
               
               
               
             
               
               
               
               
               
               
               
               
               
             
               
               
               
               
               
               
               
               
               
             
               
             
               
               
               
               
               
             
               
               
               
               
             
             
               
               
               
               
               
               
               
               
               
               
               
             
               
               
               
               
               
               
               
               
               
               
               
               
             
               
               
               
               
               
               
               
             
               
               
               
               
               
               
               
               
               
             
               
               
               
               
               
             
               
               
               
               
               
               
               
               
             
               
               
               
               
              