Shown with a cast-on count of 52 stitches.  

• Row 1 (RS): K6, [k2tog, yo, k1 tbl, yo, k2tog tbl, k3] 3 times, k2tog, yo, k1 tbl, yo, k2tog tbl, k2, k3, yo, k2tog, k3, yo, k1, yo, k6 (54 sts).
• Rows 2 and 8: K6, yo, k3, yo, k2tog, k3, yo, k2tog, k1, p37 (55 sts).
• Row 3: K4, k3tog, [yo, kfb, k1, kfb, yo, k5tog] 3 times, yo, kfb, k1, kfb, yo, k3tog tbl, k3, yo, [k2tog] twice, yo, k5, yo, k6 (56 sts).
• Rows 4 and 10: BO 4 sts, k1, yo, k2tog, k3, k2tog, yo, k3, yo, k2tog, k1, p37 (52 sts).
• Row 5: K5, yo, [k2tog tbl, k3, k2tog, yo, k1 tbl, yo] 3 times, k2tog tbl, k3, k2tog, yo, k1, k3, yo, k2tog, k2, yo, k2tog, k1, k2tog, yo, k3.
• Rows 6 and 12: Yo, k4, yo, sl2-k1-p2sso, yo, k1, k2tog, k2, yo, k2tog, k1, p37.
• Row 7: K5, yo, [k2tog tbl, k3, k2tog, yo, k1 tbl, yo] 3 times, k2tog tbl, k3, k2tog, yo, k1, k3, yo, k2tog, k3, yo, k1, yo, k6 (54 sts).
• Row 9: K5, kfb, [yo, k5tog, yo, kfb, k1, kfb] 3 times, yo, k5tog, yo, kfb, k1, k3, yo, [k2tog] twice, yo, k5, yo, k6 (56 sts).
• Row 11: K6, [k2tog, yo, k1 tbl, yo, k2tog tbl, k3] 3 times, k2tog, yo, k1 tbl, yo, k2tog tbl, k2, k3, yo, k2tog, k2, yo, k2tog, k1, k2tog, yo, k3.