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52
     
    
.     
    
 :
     
.     
    

.
.    
.
    
 
     

. 
      
. 
     :
.    
.     
    :
.  
     
.    
    
. 4000    
 )          

…         
.(
        .     
.       
.   
    


             
.
.  
      
.   
         
           
.
         
.     
     .      
.    

   
   
.  
  
     .         
. 
  
.            
      
      
.
  
 
.        
  
.   
   
.     
   
 
.       
  

           
 
.
  
.          
  
.    
  
         
   
.     . 

.   
  
. 
       
.  
  
.   
  
.           
     .      
.  
   
1 ..        
2 . .     .      
(1 )
  .         
     
.   

1 .(6 ) .    
.    
   
  .             
.      
.    
. 
     
2 ..  .   
3 .   
:
   
         
(7 ) .

4 . 
(8 ) .         /   
5 .   
  .  
          
.        
    
6 .        
7 .
   
 
    .
         
           .   
        /     . 
.    
.              
 
 
.  
.      
    :       
  
. 
   
.    
(9 ) ( )  
.          
   
  .      .         
   .( 15  10   )   
 

 

    .   
     
   .
.          

 
                
.    
    .       :  
.  
   25       
 :  
. 15   
.   :      
.    
 . 6  5    
:( )    
.         
.         
  
   
     
.        
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