prompt: The difference between 82 and 21 is: 
random_counterfactual.prompt: The difference between 60 and 39 is: 
ones_op1_counterfactual.prompt: The difference between 87 and 21 is: 
ones_op2_counterfactual.prompt: The difference between 82 and 20 is: 
tens_op1_counterfactual.prompt: The difference between 82 and 21 is: 
tens_op2_counterfactual.prompt: The difference between 82 and 31 is: 
ones_carry_counterfactual.prompt: The difference between 90 and 29 is: 
tens_carry_counterfactual.prompt: The difference between 82 and 21 is: 