prompt: Q: How much is 66 minus 23? A: 
random_counterfactual.prompt: Q: How much is 82 minus 51? A: 
ones_op1_counterfactual.prompt: Q: How much is 69 minus 23? A: 
ones_op2_counterfactual.prompt: Q: How much is 66 minus 20? A: 
tens_op1_counterfactual.prompt: Q: How much is 36 minus 23? A: 
tens_op2_counterfactual.prompt: Q: How much is 66 minus 33? A: 
ones_carry_counterfactual.prompt: Q: How much is 72 minus 29? A: 
tens_carry_counterfactual.prompt: Q: How much is 66 minus 23? A: 