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Answers and rating deltas for
How can I find how many times Friday the 13th appears in a year?
| Author | Votes | Δ |
|---|---|---|
| Paweł Stawarz | 3 | +5.61 |
| Jim Mischel | 2 | -0.53 |
Last visited: Sep 14, 2014, 5:07:29 AM