The difference between 66 and 63 is: 
The difference between 38 and 16 is: 
The difference between 68 and 63 is: 
The difference between 66 and 62 is: 
The difference between 76 and 63 is: 
The difference between 66 and 53 is: 
The difference between 71 and 68 is: 
The difference between 66 and 63 is: 