| Clue | Source | Date |
|---|---|---|
| Incomplete | The Telegraph Cross Atlantic | 22 Jan 2026 |
| Still going on | The Washington Post | 12 Sep 2018 |
| Still going on | LA Times Daily | 12 Sep 2018 |
| Still going on | ||
| Not finished | ||
| Continuing | ||
| Never completed | ||
| Lacking a conclusion | ||
| More to come | ||
| Not finished | ||
| Incomplete | ||
| Continuing |