Shown with a cast-on count of 86 stitches.  

• Row 1 (RS): Sl1 wyib, [ssk, yo, k2] 21 times, p1.
• Rows 2, 4, 6, 8, and 10: Sl1 wyif, *p2tog, yo, p2, repeat from * to last st, p1.
• Rows 3, 5, 7, 9, and 11: Sl1 wyib, *ssk, yo, k2, repeat from * to last st, p1.
• Row 12: Sl1 wyif, [p2tog, yo, p2, p2tog, yo, p2, p2tog, yo, p2tog, p2tog, yo, p2, p2tog, yo, p2] 4 times, p2tog, yo, p3 (82 sts).