DENSER
| Date | Clue |
|---|---|
| 2022-12-19 | More tightly packed |
| 2020-01-01 | Not as bright |
| 2016-09-18 | Not as bright |
| 2013-04-23 | Not so smart |
| 2011-10-23 | Slower to pick up |
| 2009-07-18 | Grasping things more slowly |
| 2008-05-27 | Less astute |
| 1997-11-01 | Harder to follow, as prose |
| 1997-02-22 | Less clear |
| 1996-09-28 | Not as bright |
| 1996-05-28 | More compact |
| 1995-07-16 | More opaque |