9
                    
                
                
                
            
        
        
        
        
    
        2
                1
                1
                
            
        
        
        
        
    
        10
                    
                
                
                
            
        
        
        
        
    
        
        
        
        
        
        
        2
                1
                1
                
            
        
        
        
        
    
        17
                    
                
                
                
            
        
        
        
        
    
        2
                1
                1
                
            
        
        
        
        
    
        18
                    
                
                
                
            
        
        
        
        
    
        
        
        
        
        
        
        
                    2
                1
                1