The difference between 33 and 17 is: 
The difference between 53 and 21 is: 
The difference between 38 and 17 is: 
The difference between 33 and 11 is: 
The difference between 33 and 17 is: 
The difference between 33 and 17 is: 
The difference between 36 and 10 is: 
The difference between 33 and 17 is: 