Quadra
This is the Quadra sett — one scale-free proportion (g4k3dr1k3dr2k2dr4k1dr4g3k2lo2k2dr2k6db6lb14k3lb3dr3), colour order pattern
BWKWBKBKYKGBKBKBKBKG. It is recorded as a single variant, below.
First attested 1981.
| Scale | Variant | Earliest | |
|---|---|---|---|
| ×2 | Quadra ★ | 1981 |  |