Shown with a cast-on count of 13 stitches.  

• Row 1 (RS): Sl1 wyif, k1, yo, p2tog, k3, [k2tog, yo] twice, k1, yo, k1 (14 sts).
• Rows 2 and 10: Sl1 wyif, k9, yo, p2tog, k2.
• Row 3: Sl1 wyif, k1, yo, p2tog, k2, [k2tog, yo] twice, k3, yo, k1 (15 sts).
• Rows 4 and 8: Sl1 wyif, k10, yo, p2tog, k2.
• Row 5: Sl1 wyif, k1, yo, p2tog, k1, [k2tog, yo] 3 times, k3, yo, k1 (16 sts).
• Row 6: Sl1 wyif, k11, yo, p2tog, k2.
• Row 7: Sl1 wyif, k1, yo, p2tog, k3, [yo, k2tog] twice, k1, k2tog, yo, k2tog (15 sts).
• Row 9: Sl1 wyif, k1, yo, p2tog, k4, yo, k2tog, yo, k3tog, yo, k2tog (14 sts).
• Row 11: Sl1 wyif, k1, yo, p2tog, k5, yo, k3tog, yo, k2tog (13 sts).
• Row 12: Sl1 wyif, k8, yo, p2tog, k2.