Shown with a cast-on count of 68 stitches.  

• Row 1 (RS): P2, *k5, k3tog, k2, yo, k1, yo, k2, k2tog, yo, k1, yo, ssk, k2, yo, k1, yo, k2, sl1-k2tog-psso, k5, p2, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, and 18: K2, *p31, k2, repeat from *.
• Row 3: P2, *k3, k3tog, k3, yo, k1, yo, k2, k2tog, k1, yo, k1, yo, k1, ssk, k2, yo, k1, yo, k3, sl1-k2tog-psso, k3, p2, repeat from *.
• Row 5: P2, *k1, k3tog, k4, yo, k1, yo, k2, k2tog, k2, yo, k1, yo, k2, ssk, k2, yo, k1, yo, k4, sl1-k2tog-psso, k1, p2, repeat from *.
• Row 7: P2, *k4, k3tog, yo, k1, yo, k2, k2tog, k3, yo, k1, yo, k3, ssk, k2, yo, k1, yo, sl1-k2tog-psso, k4, p2, repeat from *.
• Row 9: P2, *k2, k3tog, k1, yo, k1, yo, k3, yo, k4, sl2-k1-p2sso, k4, yo, k3, yo, k1, yo, k1, sl1-k2tog-psso, k2, p2, repeat from *.
• Row 11: P2, *k3tog, k2, yo, k1, yo, k5, yo, k3, sl2-k1-p2sso, k3, yo, k5, yo, k1, yo, k2, sl1-k2tog-psso, p2, repeat from *.
• Row 13: P2, *k12, yo, k2, sl2-k1-p2sso, k2, yo, k12, p2, repeat from *.
• Row 15: P2, *k9, k2tog, yo, k2, yo, k1, sl2-k1-p2sso, k1, yo, k2, yo, ssk, k9, p2, repeat from *.
• Row 17: P2, *k8, k3tog, yo, k1, yo, k2, yo, sl2-k1-p2sso, yo, k2, yo, k1, yo, sl1-k2tog-psso, k8, p2, repeat from *.
• Repeat rows 1-18.