RHEIN
| Date | Clue |
|---|---|
| 2015-05-10 | River through Deutschland |
| 2011-09-05 | Longest river in Deutschland |
| 2009-09-17 | River through Köln |
| 2007-01-28 | Köln's river |
| 2000-03-05 | Köln's river |
| 1994-09-30 | Koln's river |
| Date | Clue |
|---|---|
| 2015-05-10 | River through Deutschland |
| 2011-09-05 | Longest river in Deutschland |
| 2009-09-17 | River through Köln |
| 2007-01-28 | Köln's river |
| 2000-03-05 | Köln's river |
| 1994-09-30 | Koln's river |