Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): Sl1 wyib, k1, [yo, k2tog] twice, k2tog, k2tog, k2, yo, k3, yo, k2tog, yo, k1, yo, yo, k2 (22 sts).
• Row 2: K3, p1, k3, p13, k2.
• Row 3: Sl1 wyib, k1, yo, k2tog, sl1-k2tog-psso, sl1-k2tog-psso, yo, k1, yo, k2, [k2tog, yo] twice, k5 (20 sts).
• Row 4: BO 2 sts, k4, p8, p2tog, p1, k2 (17 sts).
• Row 5: Sl1 wyib, k1, yo, sl1-k2tog-psso, yo, k3, yo, k2, [k2tog, yo] twice, k1, yo, yo, k2 (20 sts).
• Rows 6 and 14: K3, p1, k3, p11, k2.
• Row 7: Sl1 wyib, k1, yo, k2tog, yo, k1, yo, k2, k2tog, yo, k2, [k2tog, yo] twice, k5 (22 sts).
• Rows 8 and 16: BO 2 sts, k4, p13, k2 (20 sts).
• Row 9: Sl1 wyib, k1, yo, k2tog, yo, k3, yo, k2, k2tog, yo, ssk, ssk, yo, k2tog, yo, k1, yo, yo, k2 (23 sts).
• Row 10: K3, p1, k3, p14, k2.
• Row 11: Sl1 wyib, k1, [yo, k2tog] twice, k2, yo, k1, yo, ssk, ssk, sl1-k2tog-psso, yo, k2tog, yo, k5 (22 sts).
• Row 12: BO 2 sts, k3, p3tog, p2tog, p9, k2 (17 sts).
• Row 13: Sl1 wyib, k1, [yo, k2tog] twice, k2, yo, k3, yo, sl1-k2tog-psso, yo, k1, yo, yo, k2 (20 sts).
• Row 15: Sl1 wyib, k1, [yo, k2tog] twice, k2, yo, k2tog, k2, yo, k1, yo, k2tog, yo, k5 (22 sts).