Shown with a cast-on count of 88 stitches.  

• Rows 1, 7, 9, 11, 13, and 15 (RS): Purl to last st, sl1 wyib.
• Row 2: Sl1 wyif, k2tog, yo, k1, [yo, [ssk, yo] 5 times, k1, ssk, k2tog, k1, yo, [ssk, yo] 5 times, k1] 3 times, yo, ssk, k1.
• Rows 3 and 5: P87, sl1 wyib.
• Row 4: Sl1 wyif, k2tog, yo, k1, yo, [k11, ssk, k2tog, k10, [k1, yo] twice] 3 times, ssk, k1.
• Row 6: Sl1 wyif, k2tog, yo, k12, ssk, k2tog, [k11, [yo, k1] twice, k10, ssk, k2tog] twice, k12, yo, ssk, k1 (86 sts).
• Row 8: Sl1 wyif, k2tog, yo, k1, [[k12, yo] twice, sl2-k1-p2sso, yo] twice, k12, yo, k13, yo, ssk, sl1 wyif (89 sts).
• Row 10: Sl1 wyif, k2tog, yo, k1, [k10, k2tog, yo, k1, yo, ssk, k10, yo, sl2-k1-p2sso, yo] twice, k10, k2tog, yo, k1, yo, ssk, k11, yo, ssk, k1.
• Row 12: K1, k2tog, yo, k1, [k8, k3tog, (k1, p1, k1) in next st, yo, k1 tbl, yo, (k1, p1, k1) in next st, sl1-k2tog-psso, k8, yo, sl2-k1-p2sso, yo] twice, k8, k3tog, (k1, p1, k1) in next st, yo, k1 tbl, yo, (k1, p1, k1) in next st, sl1-k2tog-psso, k9, yo, ssk, sl1 wyif (95 sts).
• Row 14: K1, k2tog, yo, k1, [k6, k3tog, k1, yo, k1 tbl, yo, k1, yo, sl2-k1-p2sso, yo, k1, yo, k1 tbl, yo, k1, sl1-k2tog-psso, k6, yo, sl2-k1-p2sso, yo] twice, k6, k3tog, k1, yo, k1 tbl, yo, k1, yo, sl2-k1-p2sso, yo, k1, yo, k1 tbl, yo, k1, sl1-k2tog-psso, k7, yo, ssk, sl1 wyif.
• Row 16: K1, k2tog, yo, k1, [k4, k3tog, k2, yo, k1 tbl, yo, k2, yo, sl2-k1-p2sso, yo, k2, yo, k1 tbl, yo, k2, sl1-k2tog-psso, k4, yo, sl2-k1-p2sso, yo] twice, k4, k3tog, k2, yo, k1 tbl, yo, k2, yo, sl2-k1-p2sso, yo, k2, yo, k1 tbl, yo, k2, sl1-k2tog-psso, k5, yo, ssk, sl1 wyif.
• Row 18: K1, k2tog, yo, k1, [k4, k3tog, k2, yo, k1 tbl, yo, k2, yo, sl2-k1-p2sso, yo, k2, yo, k1 tbl, yo, k2, sl1-k2tog-psso, k4, yo, sl2-k1-p2sso, yo] twice, k4, k3tog, k2, yo, k1 tbl, yo, k2, yo, sl2-k1-p2sso, yo, k2, yo, k1 tbl, yo, k2, sl1-k2tog-psso, k5, yo, ssk, sl1 wyif.