Shown with a cast-on count of 55 stitches.  

• Row 1 (RS): P1, k2, sl1-k2tog-psso, [yo] twice, k2tog, yo, k1, p1, *k1, yo, ssk, [yo] twice, k3tog, k2, p1, k2, sl1-k2tog-psso, [yo] twice, k2tog, yo, k1, p1, repeat from * to last 9 sts, k1, yo, ssk, [yo] twice, k3tog, k2, p1.
• Rows 2 and 10: K1, p3, k1, p1, p3, *[k1, p3, k1, p1, p3] twice, repeat from * to last 10 sts, k1, p3, k1, p1, p3, k1.
• Row 3: P1, k1, sl2-k1-p2sso, yo, k2tog, [yo] twice, k2, p1, *k2, [yo] twice, ssk, yo, sl2-k1-p2sso, k1, p1, k1, sl2-k1-p2sso, yo, k2tog, [yo] twice, k2, p1, repeat from * to last 9 sts, k2, [yo] twice, ssk, yo, sl2-k1-p2sso, k1, p1.
• Row 4: K1, p4, k1, p1, p2, *k1, p2, k1, p1, p4, k1, p4, k1, p1, p2, repeat from * to last 10 sts, k1, p2, k1, p1, p4, k1.
• Row 5: P1, k2tog, k1, yo, k3, k2tog, yo, p1, *yo, ssk, k3, yo, k1, ssk, p1, k2tog, k1, yo, k3, k2tog, yo, p1, repeat from * to last 9 sts, yo, ssk, k3, yo, k1, ssk, p1.
• Rows 6, 8, 14, and 16: K1, p8, *[k1, p8] twice, repeat from * to last 10 sts, k1, p8, k1.
• Row 7: P1, yo, ssk, k3, k2tog, k1, yo, p1, *yo, k1, ssk, k3, k2tog, yo, p1, yo, ssk, k3, k2tog, k1, yo, p1, repeat from * to last 9 sts, yo, k1, ssk, k3, k2tog, yo, p1.
• Row 9: P1, k1, yo, ssk, [yo] twice, k3tog, k2, p1, *k2, sl1-k2tog-psso, [yo] twice, k2tog, yo, k1, p1, k1, yo, ssk, [yo] twice, k3tog, k2, p1, repeat from * to last 9 sts, k2, sl1-k2tog-psso, [yo] twice, k2tog, yo, k1, p1.
• Row 11: P1, k2, [yo] twice, ssk, yo, sl2-k1-p2sso, k1, p1, *k1, sl2-k1-p2sso, yo, k2tog, [yo] twice, k2, p1, k2, [yo] twice, ssk, yo, sl2-k1-p2sso, k1, p1, repeat from * to last 9 sts, k1, sl2-k1-p2sso, yo, k2tog, [yo] twice, k2, p1.
• Row 12: K1, p2, k1, p1, p4, *k1, p4, k1, p1, p2, k1, p2, k1, p1, p4, repeat from * to last 10 sts, k1, p4, k1, p1, p2, k1.
• Row 13: P1, yo, ssk, k3, yo, k1, ssk, p1, *k2tog, k1, yo, k3, k2tog, yo, p1, yo, ssk, k3, yo, k1, ssk, p1, repeat from * to last 9 sts, k2tog, k1, yo, k3, k2tog, yo, p1.
• Row 15: P1, yo, k1, ssk, k3, k2tog, yo, p1, *yo, ssk, k3, k2tog, k1, yo, p1, yo, k1, ssk, k3, k2tog, yo, p1, repeat from * to last 9 sts, yo, ssk, k3, k2tog, k1, yo, p1.