Shown with a cast-on count of 54 stitches.  

• Row 1 (RS): K4, ssk, yo, k3, *k3, yo, k2tog, k8, ssk, yo, k3, repeat from * to last 9 sts, k3, yo, k2tog, k4.
• Rows 2, 12, 14, and 24: Purl.
• Row 3: K2, k3tog, [yo] twice, k4, *k4, [yo] twice, sl1-k2tog-psso, k4, k3tog, [yo] twice, k4, repeat from * to last 9 sts, k4, [yo] twice, sl1-k2tog-psso, k2.
• Rows 4 and 8: P3, k1, p5, *p4, k1, p7, k1, p5, repeat from * to last 9 sts, p4, k1, p4.
• Row 5: K3tog, [yo] twice, k6, *k6, [yo] twice, sl1-k2tog-psso, k3tog, [yo] twice, k6, repeat from * to last 9 sts, k6, [yo] twice, sl1-k2tog-psso.
• Row 6: P1, k1, p7, *p6, k1, p3, k1, p7, repeat from * to last 9 sts, p6, k1, p2.
• Row 7: K2, k2tog, [yo] twice, [k2tog] twice, yo, k1, *k1, yo, [ssk] twice, [yo] twice, ssk, k1, 1/1 RC, k1, k2tog, [yo] twice, [k2tog] twice, yo, k1, repeat from * to last 9 sts, k1, yo, [ssk] twice, [yo] twice, ssk, k2.
• Row 9: Yo, ssk, k3, k2tog, [yo] twice, k2tog, *ssk, [[yo] twice, ssk, k3, k2tog] twice, [yo] twice, k2tog, repeat from * to last 9 sts, ssk, [yo] twice, ssk, k3, k2tog, yo.
• Rows 10 and 18: P6, k1, p2, *p1, k1, p13, k1, p2, repeat from * to last 9 sts, p1, k1, p7.
• Row 11: K4, k2tog, k2, yo, *1/1 RC, yo, k2, ssk, k8, k2tog, k2, yo, repeat from * to last 10 sts, 1/1 RC, yo, k2, ssk, k4.
• Row 13: K3, yo, k2tog, k4, *k4, ssk, yo, k6, yo, k2tog, k4, repeat from * to last 9 sts, k4, ssk, yo, k3.
• Row 15: K4, [yo] twice, sl1-k2tog-psso, k2, *k2, k3tog, [yo] twice, k8, [yo] twice, sl1-k2tog-psso, k2, repeat from * to last 9 sts, k2, k3tog, [yo] twice, k4.
• Rows 16 and 20: P4, k1, p4, *p3, k1, p9, k1, p4, repeat from * to last 9 sts, p3, k1, p5.
• Row 17: K6, [yo] twice, sl1-k2tog-psso, *k3tog, [yo] twice, k12, [yo] twice, sl1-k2tog-psso, repeat from * to last 9 sts, k3tog, [yo] twice, k6.
• Row 19: K1, yo, [ssk] twice, [yo] twice, ssk, k1, *1/1 RC, k1, k2tog, [yo] twice, [k2tog] twice, yo, k2, yo, [ssk] twice, [yo] twice, ssk, k1, repeat from * to last 10 sts, 1/1 RC, k1, k2tog, [yo] twice, [k2tog] twice, yo, k1.
• Row 21: Ssk, [yo] twice, ssk, k3, k2tog, yo, *yo, ssk, k3, k2tog, [yo] twice, k2tog, ssk, [yo] twice, ssk, k3, k2tog, yo, repeat from * to last 9 sts, yo, ssk, k3, k2tog, [yo] twice, k2tog.
• Row 22: P1, k1, p6, k1, *p6, k1, p3, k1, p6, k1, repeat from * to last 9 sts, p6, k1, p2.
• Row 23: K1, yo, k2, ssk, k4, *k4, k2tog, k2, yo, 1/1 RC, yo, k2, ssk, k4, repeat from * to last 9 sts, k4, k2tog, k2, yo, k1.