12   7             

              

              

            

  28           

               

              

            

             

            

  

                  

            

            

           

               

      

                   

             

           

             

              

             

             

              

              

            

             

  

                  

              

           

             

          

            

            

               

            

           

              

           

             

              

          

              

            

           

            

          

      

                 

           

            

             

       