NYT Crossword Tips
Tip: Use ? for unknown answer letters, e.g. AN??ER. Use the space bar to enter ? quickly.

Clue: "12 9 11 5 20 8 9 19 3 12 21 5"

"12 9 11 5 20 8 9 19 3 12 21 5" is a New York Times crossword puzzle clue that we have seen 1 time.
Possible answer
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