  

         
             
            
.        

  

       

 

              
      

             
              
             
     .        
: ;    

             
.           
           
.     

             
            
            
.       

            
.         

              
          
.

              
           
.           

          
             
            
.        

             
            
       .      
            
. 

             
             
           
             
.       