          
         
                                                                     
                                                      
                     
                                                                                                                                                                                                  
                                                                       
                                                              
                         
          
                                                                                                                                   
                                                                                                 
                                                                                     
              
  1. 1                                                                        
                                                                                                                                                                
                                                                                                               
                                                         
    2                                                                                                                                                                           
                                       
    2.            
                                  
                                                                                                                                            
                                                                                
                                                                                                                            
                                                                                                                         ××                                                                               
                                                                                                                      
   3.          
   1                
                                                                                                             
                                                                                                                                                                                                                 
                                                                                                              
                                                       
   2           
                                                                                                                             
                                                                                                                                   
                                
                     
                