 16, 17,18
            
 16, 17,18         
 
            
 
 
            
 
 17
            
17         
 17,18
            
 17,18         
 
            
 
 
            
 
 16, 17
            
16, 17         
 16
            
16         
 16, 17,18
            
 16, 17,18         
 
            
 
 
            
 
 
            
 
 16,17
            
 16,17         
 
            
 
 17,18
            
 17,18         
 
            
 
 
            
 
 
            
 
 17
            
17         
 
            
 
 
            
 
 
            
 
 
            
 
 
            
 
 15.7,16.5
            
 15.7,16.5         
 
            
 
 16, 17, 18
            
16, 17, 18         
 
            
 
 
            
 
 
            
 
