REQD
| Date | Clue |
|---|---|
| 2017-11-22 | Mandatory: Abbr. |
| 2009-10-06 | Necessary: Abbr. |
| 2009-04-19 | Not optional: Abbr. |
| 2004-12-22 | Not opt. |
| 2003-06-25 | Necessary: Abbr. |
| Date | Clue |
|---|---|
| 2017-11-22 | Mandatory: Abbr. |
| 2009-10-06 | Necessary: Abbr. |
| 2009-04-19 | Not optional: Abbr. |
| 2004-12-22 | Not opt. |
| 2003-06-25 | Necessary: Abbr. |