ALGOL
| Date | Clue |
|---|---|
| 2008-10-18 | Precursor of Pascal |
| 2003-08-09 | Demon Star |
| 2003-06-08 | Bright star in Perseus |
| 2001-09-04 | Star in Perseus |
| 2000-09-24 | Star in Perseus |
| 1997-01-17 | Star in Perseus |
| Date | Clue |
|---|---|
| 2008-10-18 | Precursor of Pascal |
| 2003-08-09 | Demon Star |
| 2003-06-08 | Bright star in Perseus |
| 2001-09-04 | Star in Perseus |
| 2000-09-24 | Star in Perseus |
| 1997-01-17 | Star in Perseus |