The difference between 71 and 71 is: 
The difference between 66 and 35 is: 
The difference between 76 and 71 is: 
The difference between 71 and 70 is: 
The difference between 91 and 71 is: 
The difference between 71 and 61 is: 
The difference between 71 and 72 is: 
The difference between 71 and 71 is: 