The difference between 99 and 53 is: 
The difference between 63 and 30 is: 
The difference between 96 and 53 is: 
The difference between 99 and 57 is: 
The difference between 89 and 53 is: 
The difference between 99 and 43 is: 
The difference between 101 and 55 is: 
The difference between 99 and 53 is: 