prompt: The difference between 83 and 21 is: 
random_counterfactual.prompt: The difference between 99 and 77 is: 
ones_op1_counterfactual.prompt: The difference between 86 and 21 is: 
ones_op2_counterfactual.prompt: The difference between 83 and 21 is: 
tens_op1_counterfactual.prompt: The difference between 83 and 21 is: 
tens_op2_counterfactual.prompt: The difference between 83 and 11 is: 
ones_carry_counterfactual.prompt: The difference between 91 and 29 is: 
tens_carry_counterfactual.prompt: The difference between 83 and 21 is: 