1. 
    


     


     


             
 

          
      
 
           

      
        
       
         
        



 
 
 
 
 
 

2. 
     
    
    
          
       
           
       
         

      
    
                
            
      
       
          
 
      


     
      
      
      
       
 
 
        
           
 
      

     
 
                  
             
       
           
               
         
 
     

            
             
              
               
 
       
        
              
 
               
         

               
          
               
     

3. 
         
          
            
          
      
       
        

        

         


      
      

       
        

         
     

        
        
               
              
 
        
                
   
 
               
          
             
               
         
          
 
             
             
                
               
         
         
        
      
   

        
              
             
 
      
                 
         
     
  
              
      

4. 


                 
       
              
        
       
 
        
              
                
         
          
              
        
             
 
      
        
 
 
       
          
              
              
        
         
 
    
              
             
        
       
          
                 
             
                  
     
 
               
         
        
            
         
        
                
            
  
        
                
        
        
          
 
        
       
                
       
                  
               
 


5. 
             
                
              
           
              
       
     
                   
        
     
   
      
     
       
      
 

     


             
         
           
       
         
       
        
             
        
         
          
 
 
               
 
                  
          
                  
               
       
              
       
             
 
                 
            
       
          
         
         

       
        
      
        

    


     
       
        


6. 


         
       
 
  
       
         
 
 
       
  
 
         
        
         
  
        
       
  
 
  

 

 

