Shown with a cast-on count of 108 stitches.  

• Row 1 (RS): K2, *p1, yo, k1, yo, k3tog, k8, k9, sl1-k2tog-psso, yo, k1, yo, p1, yo, k1, yo, k3tog, k8, k9, sl1-k2tog-psso, yo, k1, yo, repeat from * to last 2 sts, k2.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20: K2, *p13, k1, p12, p13, k1, p12, repeat from * to last 2 sts, k2.
• Row 3: K2, *p1, k1, yo, k1, yo, k1, k3tog, k6, k7, sl1-k2tog-psso, k1, yo, k1, yo, k1, p1, k1, yo, k1, yo, k1, k3tog, k6, k7, sl1-k2tog-psso, k1, yo, k1, yo, k1, repeat from * to last 2 sts, k2.
• Row 5: K2, *p1, k2, yo, k1, yo, k2, k3tog, k4, k5, sl1-k2tog-psso, k2, yo, k1, yo, k2, p1, k2, yo, k1, yo, k2, k3tog, k4, k5, sl1-k2tog-psso, k2, yo, k1, yo, k2, repeat from * to last 2 sts, k2.
• Row 7: K2, *p1, k3, yo, k1, yo, k3, k3tog, k2, k3, sl1-k2tog-psso, k3, yo, k1, yo, k3, p1, k3, yo, k1, yo, k3, k3tog, k2, k3, sl1-k2tog-psso, k3, yo, k1, yo, k3, repeat from * to last 2 sts, k2.
• Row 9: K2, *p1, k4, yo, k1, yo, k4, k3tog, k1, sl1-k2tog-psso, k4, yo, k1, yo, k4, p1, k4, yo, k1, yo, k4, k3tog, k1, sl1-k2tog-psso, k4, yo, k1, yo, k4, repeat from * to last 2 sts, k2.
• Row 11: K2, *k9, sl1-k2tog-psso, yo, k1, yo, p1, yo, k1, yo, k3tog, k8, k9, sl1-k2tog-psso, yo, k1, yo, p1, yo, k1, yo, k3tog, k8, repeat from * to last 2 sts, k2.
• Row 13: K2, *k7, sl1-k2tog-psso, k1, yo, k1, yo, k1, p1, k1, yo, k1, yo, k1, k3tog, k6, k7, sl1-k2tog-psso, k1, yo, k1, yo, k1, p1, k1, yo, k1, yo, k1, k3tog, k6, repeat from * to last 2 sts, k2.
• Row 15: K2, *k5, sl1-k2tog-psso, k2, yo, k1, yo, k2, p1, k2, yo, k1, yo, k2, k3tog, k4, k5, sl1-k2tog-psso, k2, yo, k1, yo, k2, p1, k2, yo, k1, yo, k2, k3tog, k4, repeat from * to last 2 sts, k2.
• Row 17: K2, *k3, sl1-k2tog-psso, k3, yo, k1, yo, k3, p1, k3, yo, k1, yo, k3, k3tog, k2, k3, sl1-k2tog-psso, k3, yo, k1, yo, k3, p1, k3, yo, k1, yo, k3, k3tog, k2, repeat from * to last 2 sts, k2.
• Row 19: K2, *k1, sl1-k2tog-psso, k4, yo, k1, yo, k4, p1, k4, yo, k1, yo, k4, k3tog, k1, sl1-k2tog-psso, k4, yo, k1, yo, k4, p1, k4, yo, k1, yo, k4, k3tog, repeat from * to last 2 sts, k2.