gg                    gg                          gg            

 

                              gg                         gg                       gg

 

    gg          gg                   gg              gg       

 

   gg         gg           gg            gg   

 

     gg          gg                 gg             gg          

 

     gg                  gg                gg            gg

 

  gg   gg      gg