Shown with a cast-on count of 16 stitches.  

• Row 1 (RS): K2, yo, k3, yo, k3tog, yo, k3, yo, k3tog, yo, k2 (17 sts).
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: K3, yo, k3tog, yo, k3, yo, k3tog, yo, k3, yo, k2 (18 sts).
• Row 5: K2, yo, k2tog, yo, k3, yo, k3tog, yo, k3, yo, k3tog, yo, k2 (19 sts).
• Row 7: K2tog, yo, k3, yo, k3tog, yo, k3, yo, k3tog, yo, k3, yo, k2 (20 sts).
• Row 9: K3, yo, k3tog, yo, k3, yo, k3tog, yo, k3, yo, k3tog, yo, k2.
• Row 11: K3tog, yo, k3, yo, k3tog, yo, k3, yo, k3tog, yo, k3, yo, k2.