The difference between 56 and 55 is: 
The difference between 78 and 65 is: 
The difference between 56 and 55 is: 
The difference between 56 and 54 is: 
The difference between 66 and 55 is: 
The difference between 56 and 35 is: 
The difference between 60 and 59 is: 
The difference between 56 and 55 is: 