Shown with a cast-on count of 12 stitches.  

• Rows 1 and 3 (RS): K9, yo, k2tog, k1.
• Row 2: K3, yo, k2tog, k2, k2tog, yo, k1, yo, k2tog.
• Row 4: K3, yo, k2tog, k1, k2tog, yo, k3, yo, k1 (13 sts).
• Rows 5 and 9: K10, yo, k2tog, k1.
• Row 6: K3, yo, k2tog, k2tog, yo, k5, yo, k1 (14 sts).
• Row 7: K11, yo, k2tog, k1.
• Row 8: K3, yo, k2tog, k2, yo, k2tog, k1, k2tog, yo, k2tog (13 sts).
• Row 10: K3, yo, k2tog, k3, yo, sl1-k2tog-psso, yo, k2tog (12 sts).