Shown with a cast-on count of 67 stitches.  

• Row 1 (RS): K3, ssk, yo, *k2, yo, ssk, k7, k2tog, yo, sl1-k2tog-psso, yo, ssk, k7, k2tog, yo, k1, repeat from * to last 6 sts, k1, yo, k2tog, k3 (multiple of 26 sts, plus 11).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 22: K3, purl to last 3 sts, k3.
• Row 3: K3, ssk, yo, *k1 tbl, yo, k2, yo, ssk, k5, k2tog, yo, k3, yo, ssk, k5, k2tog, yo, k2, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 28 sts, plus 11).
• Row 5: K3, ssk, yo, *k1 tbl, yo, k2tog, k2, yo, ssk, k3, k2tog, yo, k5, yo, ssk, k3, k2tog, yo, k2, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3.
• Row 7: K3, ssk, yo, *k1 tbl, yo, k2tog, k1, ssk, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k2tog, k1, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 26 sts, plus 11).
• Row 9: K3, ssk, yo, *k1 tbl, yo, k2tog, yo, k1 tbl, yo, ssk, yo, sl1-k2tog-psso, yo, k3, yo, sl1-k2tog-psso, yo, k3, yo, sl1-k2tog-psso, yo, k2tog, yo, k1 tbl, yo, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 28 sts, plus 11).
• Row 11: K3, ssk, yo, *k1 tbl, yo, k2tog, k1, yo, k1 tbl, yo, k1, ssk, yo, ssk, k4, yo, k1 tbl, yo, k4, k2tog, yo, k2tog, k1, yo, k1 tbl, yo, k1, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 32 sts, plus 11).
• Row 13: K3, ssk, yo, *k1 tbl, yo, k2tog, k2, yo, k1 tbl, yo, k2, ssk, yo, ssk, k1, k2tog, yo, sl1-k2tog-psso, yo, ssk, k1, k2tog, yo, k2tog, k2, yo, k1 tbl, yo, k2, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3.
• Row 15: K3, ssk, yo, *k1 tbl, yo, k2tog, k3, yo, k1 tbl, yo, k3, ssk, yo, sl1-k2tog-psso, yo, k3, yo, sl1-k2tog-psso, yo, k2tog, k3, yo, k1 tbl, yo, k3, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 34 sts, plus 11).
• Row 17: K3, ssk, yo, *k1 tbl, yo, k2tog, k9, ssk, yo, ssk, k3, k2tog, yo, k2tog, k9, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 32 sts, plus 11).
• Row 19: K3, ssk, yo, *k1 tbl, yo, k2tog, k9, ssk, yo, ssk, k1, k2tog, yo, k2tog, k9, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 30 sts, plus 11).
• Row 21: K3, ssk, yo, *k1 tbl, yo, k2tog, k9, ssk, yo, sl1-k2tog-psso, yo, k2tog, k9, ssk, yo, repeat from * to last 6 sts, k1 tbl, yo, k2tog, k3 (multiple of 28 sts, plus 11).