Shown with a cast-on count of 45 stitches.  

• Row 1 (RS): Sl1 wyif, k4, yo, ssk, yo, k7, yo, k2, sl1-k2tog-psso, k2, yo, k2tog, yo, k6, sl1-k2tog-psso, k6, yo, k2, yo, ssk, k3.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Sl1 wyif, k2, p2, yo, p2tog, purl to last 5 sts, yo, p2tog, k3.
• Row 3: Sl1 wyif, k4, yo, ssk, yo, k1, yo, k2, sl1-k2tog-psso, k2, [yo, k1] twice, sl1-k2tog-psso, k1, yo, k3tog, yo, k5, sl1-k2tog-psso, k5, yo, k1, yo, k2, yo, ssk, k3.
• Row 5: Sl1 wyif, k4, yo, ssk, yo, k3, yo, k1, sl1-k2tog-psso, k1, yo, k3, yo, sl1-k2tog-psso, yo, k3tog, yo, k4, sl1-k2tog-psso, k4, yo, k3, yo, k2, yo, ssk, k3.
• Row 7: Sl1 wyif, k4, yo, ssk, yo, k5, yo, sl1-k2tog-psso, yo, k5, yo, k4tog, yo, k3, sl1-k2tog-psso, k3, yo, k5, yo, k2, yo, ssk, k3.
• Row 9: Sl1 wyif, k4, yo, ssk, yo, k6, sl1-k2tog-psso, k6, yo, k2tog, yo, k2, sl1-k2tog-psso, k2, yo, k7, yo, k2, yo, ssk, k3.
• Row 11: Sl1 wyif, k4, yo, ssk, yo, k1, yo, k5, sl1-k2tog-psso, k5, yo, k3tog, yo, k1, sl1-k2tog-psso, [k1, yo] twice, k2, sl1-k2tog-psso, k2, yo, k1, yo, k2, yo, ssk, k3.
• Row 13: Sl1 wyif, k4, yo, ssk, yo, k3, yo, k4, sl1-k2tog-psso, k4, yo, k3tog, yo, sl1-k2tog-psso, yo, k3, yo, k1, sl1-k2tog-psso, k1, yo, k3, yo, k2, yo, ssk, k3.
• Row 15: Sl1 wyif, k4, yo, ssk, yo, k5, yo, k3, sl1-k2tog-psso, k3, yo, k4tog, yo, k5, yo, sl1-k2tog-psso, yo, k5, yo, k2, yo, ssk, k3.