Clue: In the answers to 17-, 34- and 57-Across, it was replaced in turn by 1, 2, 3, 4, 5 ...
We have 1 possible answer for the clue In the answers to 17-, 34- and 57-Across, it was replaced in turn by 1, 2, 3, 4, 5 ... which appears 1 time in our database.