Shown with a cast-on count of 23 stitches.  

• Rows 1, 3, 5, and 7 (WS): Purl to last st, k1 tbl.
• Row 2: Sl1 wyif, k1, k2tog, yo, k2, [yo, k1, sl2-k1-p2sso, k1, yo, k1] twice, yo, k1, sl2-k1-p2sso, k1, yo.
• Row 4: Sl1 wyif, k1, k2tog, yo, k2, [k1, yo, sl2-k1-p2sso, yo, k2] twice, k1, yo, sl2-k1-p2sso, yo, k1.
• Row 6: Sl1 wyif, k1, k2tog, yo, k1, ssk, [k1, yo, k1, yo, k1, sl2-k1-p2sso] twice, k1, yo, k1, yo, k2tog.
• Row 8: Sl1 wyif, k1, k2tog, yo, k1, ssk, [yo, k3, yo, sl2-k1-p2sso] twice, yo, k4.