| Rating | Solver | Clue |
|---|---|---|
| STEREO | Two-sided | |
| DOUBLEEDGED | Two-sided | |
| BILATERAL | Two-sided | |
| DOUBLE-EDGED | Two-sided (6-5) | |
| TRAPEZOID | A plane four-sided figure, having two sides parallel to each other. | |
| QUARTZOID | A form of crystal common with quartz, consisting of two six-sided pyramids, base to base. | |