The difference between 62 and 23 is: 
The difference between 68 and 42 is: 
The difference between 69 and 23 is: 
The difference between 62 and 20 is: 
The difference between 42 and 23 is: 
The difference between 62 and 33 is: 
The difference between 69 and 20 is: 
The difference between 62 and 23 is: 