Shown with a cast-on count of 25 stitches.  

• Rows 1 and 11 (RS): K2, *k2tog, yo, k1 tbl, yo, k2tog tbl, k3, repeat from * to last 7 sts, k2tog, yo, k1 tbl, yo, k2tog tbl, k2.
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: K3tog, *yo, kfb, k1, kfb, yo, k5tog, repeat from * to last 6 sts, yo, kfb, k1, kfb, yo, k3tog tbl.
• Rows 5 and 7: K1, yo, *k2tog tbl, k3, k2tog, yo, k1 tbl, yo, repeat from * to last 8 sts, k2tog tbl, k3, k2tog, yo, k1.
• Row 9: K1, kfb, *yo, k5tog, yo, kfb, k1, kfb, repeat from * to last 7 sts, yo, k5tog, yo, kfb, k1.