The difference between 61 and 41 is: 
The difference between 69 and 63 is: 
The difference between 65 and 41 is: 
The difference between 61 and 40 is: 
The difference between 51 and 41 is: 
The difference between 61 and 51 is: 
The difference between 60 and 45 is: 
The difference between 61 and 41 is: 