| Clue | Source | Date |
|---|---|---|
| Outliers in the data | New York Times | 09 Jun 2025 |
| Scenarios that might require special handling, in programming | ||
| Results of unpredictable user behavior, perhaps | LA Times Daily | 18 May 2024 |
| Problems that occur exclusively in extreme situations, and a hint to this puzzle’s borders | Wall Street Journal | 10 Aug 2022 |