Shown with a cast-on count of 23 stitches.  

• Row 1 (RS): *P3, k5, yo, k2tog, repeat from * to last 3 sts, p3.
• Rows 2, 4, 6, 8, and 10: K3, *p7, k3, repeat from *.
• Row 3: *P3, k4, k2tog, k1, yo, repeat from * to last 3 sts, p3.
• Row 5: *P3, k3, k2tog, k2, yo, repeat from * to last 3 sts, p3.
• Row 7: *P3, k2, k2tog, k3, yo, repeat from * to last 3 sts, p3.
• Row 9: *P3, k1, k2tog, k4, yo, repeat from * to last 3 sts, p3.
• Row 11: *P3, k2tog, k5, yo, repeat from * to last 3 sts, p3.
• Row 12: K3, *p3, kfb, p3, k3, repeat from * (multiple of 11 sts, plus 3).
• Row 13: *P3, k3, p2, k3, repeat from * to last 3 sts, p3.
• Row 14: K3, *p3, k2, p3, k3, repeat from *.
• Repeat rows 13-14.