The difference between 86 and 57 is: 
The difference between 58 and 56 is: 
The difference between 88 and 57 is: 
The difference between 86 and 55 is: 
The difference between 86 and 57 is: 
The difference between 86 and 77 is: 
The difference between 89 and 50 is: 
The difference between 86 and 57 is: 