1. 
 
  
  
   
    
  


    
 




 
   


   
       
     
   
     
    


    

       
     
   
         
     
  
          
         
     
 
   
           
   
       
      
      
        

 
    


    
     
    
 
 

     
   


 
 
 

       
       
   
    
 
 
 

    
     
     
 
 
     
   
  
           
    
 


 

    


    
     
    



  
     

    
 



     

    
 
  
    
   
  
     
          
         
   
 

     

      
      
         
       
    
  

      
      
       
      
         
          
  
   
     
    
    
  
      
  
     
     
    
       
       
 
   
       
     
 
 