Have beat you by one ozzz

Can you correctly punctuate the following, which has 12 "hads" in a row?
Ann where Bob had had had had had had had had had had had had written next to it as a correction.
Answer:
Ann, where Bob had had "had," had had "had had." "Had had" had had "had" written next to it as a correction.
(Ann and Bob were taking a grammar exam.)