Shown with a cast-on count of 55 stitches.  

• Row 1 (RS): K1, *[p2, k1] twice, yo, k2tog, yo, k1, yo, ssk, yo, [k1, p2] twice, k1, repeat from * (multiple of 20 sts, plus 1).
• Row 2: *[P1, k2] twice, p9, k2, p1, k2, repeat from * to last st, p1.
• Row 3: K1, *[p2, k1] twice, yo, k2tog, yo, k3, yo, ssk, yo, [k1, p2] twice, k1, repeat from * (multiple of 22 sts, plus 1).
• Row 4: *[P1, k2] twice, p11, k2, p1, k2, repeat from * to last st, p1.
• Row 5: K1, *[p2tog, k1] twice, yo, k2tog, yo, ssk, k1, k2tog, yo, ssk, yo, [k1, p2tog] twice, k1, repeat from * (multiple of 18 sts, plus 1).
• Row 6: *[P1, k1] twice, p11, k1, p1, k1, repeat from * to last st, p1.
• Row 7: K1, *[p1, k1] twice, yo, k2tog, yo, k1 tbl, yo, sl1-k2tog-psso, yo, k1 tbl, yo, ssk, yo, [k1, p1] twice, k1, repeat from * (multiple of 20 sts, plus 1).
• Row 8: *[P1, k1] twice, p13, k1, p1, k1, repeat from * to last st, p1.
• Row 9: K1, *[k2tog] twice, yo, k2tog, yo, k3, yo, k1, yo, k3, yo, ssk, yo, [ssk] twice, k1, repeat from *.
• Rows 10, 12, 14, 24, 26, and 28: Purl.
• Row 11: K1, *[k2tog, yo] twice, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, [yo, ssk] twice, k1, repeat from * (multiple of 18 sts, plus 1).
• Row 13: K2tog, *yo, k2tog, yo, k1 tbl, yo, sl1-k2tog-psso, yo, k3, yo, sl1-k2tog-psso, yo, k1 tbl, yo, ssk, yo, sl1-k2tog-psso, repeat from * to last 17 sts, yo, k2tog, yo, k1 tbl, yo, sl1-k2tog-psso, yo, k3, yo, sl1-k2tog-psso, yo, k1 tbl, yo, ssk, yo, ssk.
• Row 15: K1, *yo, ssk, yo, [k1, p2] 4 times, k1, yo, k2tog, yo, k1, repeat from * (multiple of 20 sts, plus 1).
• Row 16: P5, *[k2, p1] 3 times, k2, p9, repeat from * to last 16 sts, [k2, p1] 3 times, k2, p5.
• Row 17: K2, *yo, ssk, yo, [k1, p2] 4 times, k1, yo, k2tog, yo, k3, repeat from * to last 19 sts, yo, ssk, yo, [k1, p2] 4 times, k1, yo, k2tog, yo, k2 (multiple of 22 sts, plus 23).
• Row 18: P6, *[k2, p1] 3 times, k2, p11, repeat from * to last 17 sts, [k2, p1] 3 times, k2, p6.
• Row 19: K1, *k2tog, yo, ssk, yo, [k1, p2tog] 4 times, k1, yo, k2tog, yo, ssk, k1, repeat from * (multiple of 18 sts, plus 1).
• Row 20: P6, *[k1, p1] 3 times, k1, p11, repeat from * to last 13 sts, [k1, p1] 3 times, k1, p6.
• Row 21: K2tog, *yo, k1 tbl, yo, ssk, yo, [k1, p1] 4 times, k1, yo, k2tog, yo, k1 tbl, yo, sl1-k2tog-psso, repeat from * to last 17 sts, yo, k1 tbl, yo, ssk, yo, [k1, p1] 4 times, k1, yo, k2tog, yo, k1 tbl, yo, ssk (multiple of 20 sts, plus 21).
• Row 22: P7, *[k1, p1] 3 times, k1, p13, repeat from * to last 14 sts, [k1, p1] 3 times, k1, p7.
• Row 23: K1, *yo, k3, yo, ssk, yo, [ssk] twice, k1, [k2tog] twice, yo, k2tog, yo, k3, yo, k1, repeat from *.
• Row 25: K1, *yo, ssk, k1, k2tog, [yo, ssk] twice, k1, [k2tog, yo] twice, ssk, k1, k2tog, yo, k1, repeat from * (multiple of 18 sts, plus 1).
• Row 27: K2, *yo, sl1-k2tog-psso, yo, k1 tbl, yo, ssk, yo, sl1-k2tog-psso, yo, k2tog, yo, k1 tbl, yo, sl1-k2tog-psso, yo, k3, repeat from * to last 17 sts, yo, sl1-k2tog-psso, yo, k1 tbl, yo, ssk, yo, sl1-k2tog-psso, yo, k2tog, yo, k1 tbl, yo, sl1-k2tog-psso, yo, k2.