The difference between 59 and 16 is: 
The difference between 73 and 60 is: 
The difference between 59 and 16 is: 
The difference between 59 and 17 is: 
The difference between 29 and 16 is: 
The difference between 59 and 16 is: 
The difference between 61 and 18 is: 
The difference between 59 and 16 is: 