The difference between 71 and 59 is: 
The difference between 92 and 67 is: 
The difference between 79 and 59 is: 
The difference between 71 and 50 is: 
The difference between 91 and 59 is: 
The difference between 71 and 59 is: 
The difference between 76 and 54 is: 
The difference between 71 and 59 is: 