Shown with a cast-on count of 11 stitches.  

• Row 1 (RS): K1, ssk, yo, k3, k2tog, k1, yo, k2.
• Rows 2, 4, 6, 8, and 10: Sl1 wyif, purl to last 4 sts, p2tog, yo, k2.
• Row 3: K1, ssk, yo, k2, k2tog, [k1, yo] twice, k2 (12 sts).
• Row 5: K1, ssk, yo, k4, yo, k3, yo, k2 (14 sts).
• Row 7: K1, ssk, yo, k6, k2tog, k1, yo, k2.
• Row 9: K1, ssk, yo, k5, k2tog, [k1, yo] twice, k2 (15 sts).
• Row 11: K1, ssk, yo, k4, k2tog, k1, yo, k3, yo, k2 (16 sts).
• Row 12: BO 5 sts, purl to last 4 sts, p2tog, yo, k2 (11 sts).