The difference between 99 and 59 is: 
The difference between 90 and 13 is: 
The difference between 99 and 59 is: 
The difference between 99 and 58 is: 
The difference between 79 and 59 is: 
The difference between 99 and 19 is: 
The difference between 95 and 56 is: 
The difference between 99 and 59 is: 