AREO
| Date | Clue |
|---|---|
| 2006-11-11 | Mars: Prefix |
| 2004-10-01 | Mars: Prefix |
| 2003-12-03 | Mars: Prefix |
| 1999-07-07 | Mars, in combinations |
| 1998-09-06 | Mars: Prefix |
| 1997-04-07 | Mars: Prefix |
| 1996-05-12 | Mars, in combinations |
| Date | Clue |
|---|---|
| 2006-11-11 | Mars: Prefix |
| 2004-10-01 | Mars: Prefix |
| 2003-12-03 | Mars: Prefix |
| 1999-07-07 | Mars, in combinations |
| 1998-09-06 | Mars: Prefix |
| 1997-04-07 | Mars: Prefix |
| 1996-05-12 | Mars, in combinations |