         

1.
       
    
     

      
    
     
2.
    
      
       

    
        
     
      

    
    
        

    
    
        

    
     
       

    
    
       

    
     
       
3.
    
    
         

    
    
        

    
    
     

    
     
     

    
    
      
4.          
   
          
           
         
         
         
         
          
         

               