Shown with a cast-on count of 234 stitches.  

• Rows 1, 5, and 21 (RS): Knit.
• Row 2: Knit.
• Rows 3 and 19: Knit wrapping yarn 4 times.
• Row 4: [3/3 LC] 39 times.
• Row 6: K5, yo, yo, k2tog, yo, yo, k2tog, *k6, yo, yo, k2tog, yo, yo, k2tog, repeat from * to last 5 sts, k5 (280 sts).
• Row 7: *K6, k1, k2tog, k1, k2tog tbl, repeat from * to last 4 sts, k4 (234 sts).
• Row 8: *K4, yo, yo, k2tog tbl, k2, yo, yo, k2tog, repeat from * to last 4 sts, k4 (280 sts).
• Row 9: K6, p2tog, k3, p2tog, *k5, p2tog, k3, p2tog, repeat from * to last 3 sts, k3 (234 sts).
• Row 10: K3, yo, yo, k2tog tbl, k4, yo, yo, k2tog, *k2, yo, yo, k2tog tbl, k4, yo, yo, k2tog, repeat from * to last 3 sts, k3 (280 sts).
• Row 11: K5, p2tog, k5, p2tog, *k3, p2tog, k5, p2tog, repeat from * to last 2 sts, k2 (234 sts).
• Row 12: K3, yo, yo, k2tog, k4, yo, yo, k2tog, *k2, yo, yo, k2tog, k4, yo, yo, k2tog, repeat from * to last 3 sts, k3 (280 sts).
• Row 13: K2tog, *k3, p2tog, k5, p2tog, repeat from * to last 2 sts, k2 (233 sts).
• Row 14: K2tog, k2, yo, yo, k2tog, k2, yo, yo, k2tog tbl, *k4, yo, yo, k2tog, k2, yo, yo, k2tog tbl, repeat from * to last 3 sts, k3 (278 sts).
• Row 15: K2tog, [k3, p2tog] twice, *k5, p2tog, k3, p2tog, repeat from * to last 2 sts, k2 (231 sts).
• Row 16: K2tog, k2, yo, yo, k2tog, yo, yo, k2tog tbl, *k6, yo, yo, k2tog, yo, yo, k2tog tbl, repeat from * to last 3 sts, k3 (276 sts).
• Row 17: K2tog, k3, p2tog, k1, p2tog, *k7, p2tog, k1, p2tog, repeat from * to last 2 sts, k2 (229 sts).
• Row 18: K2tog, knit (228 sts).
• Row 20: *3/3 LC, repeat from *.