The difference between 19 and 19 is: 
The difference between 95 and 64 is: 
The difference between 19 and 19 is: 
The difference between 19 and 17 is: 
The difference between 89 and 19 is: 
The difference between 19 and 19 is: 
The difference between 11 and 12 is: 
The difference between 19 and 19 is: 