Shown with a cast-on count of 53 stitches.  

• Row 1 (RS): P1, k1, p1, k3, *yo, ssk, k1, k2tog, yo, k7, repeat from * to last 11 sts, yo, ssk, k1, k2tog, yo, k3, p1, k1, p1.
• Row 2: P1, k1, purl to last 2 sts, k1, p1.
• Row 3: P1, k1, p1, yo, ssk, k2, *yo, sl1-k2tog-psso, yo, k2, k2tog, yo, k1, yo, ssk, k2, repeat from * to last 10 sts, yo, sl1-k2tog-psso, yo, k2, k2tog, yo, p1, k1, p1.
• Rows 4 and 6: [P1, k1] twice, purl to last 4 sts, [k1, p1] twice.
• Row 5: [P1, k1] twice, yo, ssk, *k5, k2tog, yo, k3, yo, ssk, repeat from * to last 11 sts, k5, k2tog, yo, [k1, p1] twice.
• Row 7: [P1, k1] twice, p1, yo, ssk, *k3, k2tog, yo, k5, yo, ssk, repeat from * to last 10 sts, k3, k2tog, yo, [p1, k1] twice, p1.
• Rows 8, 12, 14, and 16: [P1, k1] twice, purl to last 6 sts, [k1, p1] 3 times.
• Row 9: [P1, k1] 3 times, p1, k5, *yo, ssk, k1, k2tog, yo, k7, repeat from * to last 17 sts, yo, ssk, k1, k2tog, yo, k7, [p1, k1] twice, p1.
• Row 10: [P1, k1] 3 times, purl to last 6 sts, [k1, p1] 3 times.
• Row 11: [P1, k1] 3 times, k2tog, yo, *k1, yo, ssk, k2, yo, sl1-k2tog-psso, yo, k2, k2tog, yo, repeat from * to last 9 sts, k1, yo, ssk, [k1, p1] 3 times.
• Row 13: [P1, k1] twice, p1, k2tog, yo, *k3, yo, ssk, k5, k2tog, yo, repeat from * to last 10 sts, k3, yo, ssk, [p1, k1] twice, p1.
• Row 15: [P1, k1] twice, k2tog, yo, *k5, yo, ssk, k3, k2tog, yo, repeat from * to last 11 sts, k5, yo, ssk, [k1, p1] twice.