The difference between 66 and 44 is: 
The difference between 71 and 51 is: 
The difference between 69 and 44 is: 
The difference between 66 and 41 is: 
The difference between 66 and 44 is: 
The difference between 66 and 14 is: 
The difference between 71 and 49 is: 
The difference between 66 and 44 is: 