A similar thing happens even with human solvers from time to time. It's possible to solve a puzzle with answers that match the clue but aren't what was intended. Of course, the more you let yourself deviate from the clue, the more possibilities exist.
My favorite example of using this is the 1996-11-05, the day of the presidential election, NY Times crossword with the clue "Lead story in tomorrow's newspaper (!), with 43-Across". The puzzle worked with both "CLINTON" or "BOBDOLE" in the crossword.
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A similar thing happens even with human solvers from time to time. It's possible to solve a puzzle with answers that match the clue but aren't what was intended. Of course, the more you let yourself deviate from the clue, the more possibilities exist.
My favorite example of using this is the 1996-11-05, the day of the presidential election, NY Times crossword with the clue "Lead story in tomorrow's newspaper (!), with 43-Across". The puzzle worked with both "CLINTON" or "BOBDOLE" in the crossword.