Shown with a cast-on count of 29 stitches.  

• Row 1 (RS): K4, *k2tog, yo, k1, yo, k2tog, k3, repeat from * to last 9 sts, k2tog, yo, k1, yo, k2tog, k3, k1.
• Rows 2, 4, 6, 8, 10, and 12: Knit.
• Row 3: K3, *k2tog, yo, k3, yo, k2tog, k1, repeat from * to last 10 sts, k2tog, yo, k3, yo, k2tog, k1, k2.
• Row 5: K2, k2tog, yo, *k5, yo, sl1-k2tog-psso, yo, repeat from * to last 9 sts, k5, yo, k2tog, k2.
• Row 7: K3, *yo, k2tog, k3, k2tog, yo, k1, repeat from * to last 10 sts, yo, k2tog, k3, k2tog, yo, k1, k2.
• Row 9: K4, *yo, k2tog, k1, k2tog, yo, k3, repeat from * to last 9 sts, yo, k2tog, k1, k2tog, yo, k3, k1.
• Row 11: K5, *yo, sl1-k2tog-psso, yo, k5, repeat from * to last 8 sts, yo, sl1-k2tog-psso, yo, k5.