prompt: The difference between 67 and 21 is: 
random_counterfactual.prompt: The difference between 96 and 76 is: 
ones_op1_counterfactual.prompt: The difference between 64 and 21 is: 
ones_op2_counterfactual.prompt: The difference between 67 and 26 is: 
tens_op1_counterfactual.prompt: The difference between 77 and 21 is: 
tens_op2_counterfactual.prompt: The difference between 67 and 11 is: 
ones_carry_counterfactual.prompt: The difference between 71 and 25 is: 
tens_carry_counterfactual.prompt: The difference between 67 and 21 is: 