Shown with a cast-on count of 36 stitches.  

• Row 1 (RS): K3, yo, k2tog, k1, *k1, ssk, yo, k6, yo, k2tog, k1, repeat from * to last 6 sts, k1, ssk, yo, k3.
• Rows 2 and 8: Purl.
• Row 3: K2, ssk, [yo] twice, ssk, *k2tog, [yo] twice, k2tog, k4, ssk, [yo] twice, ssk, repeat from * to last 6 sts, k2tog, [yo] twice, k2tog, k2.
• Row 4: P3, k1, p1, p1, *p1, k1, p1, p6, k1, p1, p1, repeat from * to last 6 sts, p1, k1, p1, p3.
• Row 5: Yo, k3tog, [yo] twice, k1, k2tog, *ssk, k1, [yo] twice, sl1-k2tog-psso, [yo] twice, k3tog, [yo] twice, k1, k2tog, repeat from * to last 6 sts, ssk, k1, [yo] twice, sl1-k2tog-psso, yo.
• Row 6: P2, k1, p1, p2, *p2, [k1, p1, p1] 3 times, p1, repeat from * to last 6 sts, p2, k1, p1, p2.
• Row 7: K1, ssk, yo, k3, *k3, yo, k2tog, k2, ssk, yo, k3, repeat from * to last 6 sts, k3, yo, k2tog, k1.
• Row 9: K2tog, [yo] twice, k2tog, k2, *k2, ssk, [yo] twice, ssk, k2tog, [yo] twice, k2tog, k2, repeat from * to last 6 sts, k2, ssk, [yo] twice, ssk.
• Row 10: P1, k1, p1, p3, *p3, k1, p1, p2, k1, p1, p3, repeat from * to last 6 sts, p3, k1, p1, p1.
• Row 11: Ssk, k1, [yo] twice, sl1-k2tog-psso, [yo] twice, *k3tog, [yo] twice, k1, k2tog, ssk, k1, [yo] twice, sl1-k2tog-psso, [yo] twice, repeat from * to last 6 sts, k3tog, [yo] twice, k1, k2tog.
• Row 12: P2, k1, p1, p1, *k1, p1, p1, k1, p1, p4, k1, p1, p1, repeat from * to last 7 sts, k1, p1, p1, k1, p1, p2.