Shown with a cast-on count of 30 stitches.  

• Row 1 (RS): K1, k2tog, yo, k2, *k2, yo, ssk, k2, k2tog, yo, k2, repeat from * to last 5 sts, k2, yo, ssk, k1.
• Rows 2, 8, 20, 22, 28, and 40: Purl.
• Row 3: K2tog, [yo] twice, k2tog, k1, *k1, ssk, [yo] twice, ssk, k2tog, [yo] twice, k2tog, k1, repeat from * to last 5 sts, k1, ssk, [yo] twice, ssk.
• Rows 4, 10, and 38: P1, k1, p3, *p2, [k1, p3] twice, repeat from * to last 5 sts, p2, k1, p2.
• Row 5: Yo, ssk, k3, *k3, k2tog, [yo] twice, ssk, k3, repeat from * to last 5 sts, k3, k2tog, yo.
• Rows 6, 12, 34, and 36: P5, *p4, k1, p5, repeat from * to last 5 sts, p5.
• Row 7: K3, yo, ssk, *k2tog, yo, k6, yo, ssk, repeat from * to last 5 sts, k2tog, yo, k3.
• Row 9: Sl2-k1-p2sso, [yo] twice, k1, *1/1 RC, k1, [yo] twice, [sl2-k1-p2sso] twice, [yo] twice, k1, repeat from * to last 6 sts, 1/1 RC, k1, [yo] twice, sl2-k1-p2sso.
• Row 11: Yo, ssk, k2, *1/1 RC, k2, k2tog, [yo] twice, ssk, k2, repeat from * to last 6 sts, 1/1 RC, k2, k2tog, yo.
• Row 13: K1, ssk, yo, k2tog, yo, *yo, ssk, yo, k2tog, k2, ssk, yo, k2tog, yo, repeat from * to last 5 sts, yo, ssk, yo, k2tog, k1.
• Rows 14, 16, 26, and 32: P4, k1, *p9, k1, repeat from * to last 5 sts, p5.
• Row 15: K3, ssk, yo, *yo, k2tog, k6, ssk, yo, repeat from * to last 5 sts, yo, k2tog, k3.
• Row 17: K1, k3tog, [yo] twice, k1, *k1, [yo] twice, sl1-k2tog-psso, k2, k3tog, [yo] twice, k1, repeat from * to last 5 sts, k1, [yo] twice, sl1-k2tog-psso, k1.
• Rows 18, 24, and 30: P2, k1, p2, *p1, k1, p5, k1, p2, repeat from * to last 5 sts, p1, k1, p3.
• Row 19: K1, yo, ssk, k2, *k2, k2tog, yo, k2, yo, ssk, k2, repeat from * to last 5 sts, k2, k2tog, yo, k1.
• Row 21: K2, yo, ssk, k1, *k1, k2tog, yo, k4, yo, ssk, k1, repeat from * to last 5 sts, k1, k2tog, yo, k2.
• Row 23: K1, ssk, [yo] twice, ssk, *k2tog, [yo] twice, k2tog, k2, ssk, [yo] twice, ssk, repeat from * to last 5 sts, k2tog, [yo] twice, k2tog, k1.
• Row 25: K3, k2tog, yo, *yo, ssk, k6, k2tog, yo, repeat from * to last 5 sts, yo, ssk, k3.
• Row 27: K2tog, yo, k3, *k3, yo, ssk, k2tog, yo, k3, repeat from * to last 5 sts, k3, yo, ssk.
• Row 29: K2, [yo] twice, sl2-k1-p2sso, *sl2-k1-p2sso, [yo] twice, k1, 1/1 RC, k1, [yo] twice, sl2-k1-p2sso, repeat from * to last 5 sts, sl2-k1-p2sso, [yo] twice, k2.
• Row 31: K3, k2tog, yo, *yo, ssk, k2, 1/1 RC, k2, k2tog, yo, repeat from * to last 5 sts, yo, ssk, k3.
• Row 33: Yo, ssk, yo, k2tog, k1, *k1, ssk, yo, k2tog, [yo] twice, ssk, yo, k2tog, k1, repeat from * to last 5 sts, k1, ssk, yo, k2tog, yo.
• Row 35: Yo, k2tog, k3, *k3, ssk, [yo] twice, k2tog, k3, repeat from * to last 5 sts, k3, ssk, yo.
• Row 37: K1, [yo] twice, sl1-k2tog-psso, k1, *k1, k3tog, [yo] twice, k2, [yo] twice, sl1-k2tog-psso, k1, repeat from * to last 5 sts, k1, k3tog, [yo] twice, k1.
• Row 39: K2, k2tog, yo, k1, *k1, yo, ssk, k4, k2tog, yo, k1, repeat from * to last 5 sts, k1, yo, ssk, k2.