NEEDBE
| Date | Clue |
|---|---|
| 2024-09-11 | As required, after "if" |
| 2017-06-05 | As required, after "if" |
| 2010-05-07 | Necessary |
| 2008-08-23 | Required |
| 2008-04-03 | As required, after "if" |
| 2007-01-11 | Required |
| 2004-05-09 | As required, after "if" |
| 2003-11-30 | Should it be required, after "if" |