This pattern can be adapted to circular knitting by knitting all the even numbered rows.
Adapted from the Estonian language book Pitsilised Koekirjad; Lehismets, L.; Tallinn, Valgus 1978
Repeat rows 1 - 4.

Row #SideRepeatEnd Row
1Rp2, yo, ssk, k1, k2-tog, yok1
2Wpurl 
3Rp2, k1, yo, k3-tog, yo, k1k1
4Wpurl