Shown with a cast-on count of 36 stitches.  

• Rows 1 and 9 (RS): Knit.
• Rows 2, 8, 10, and 16: Purl.
• Row 3: K1, yo, ssk, k1, k2tog, yo, *yo, ssk, k1, k2tog, yo, k2, yo, ssk, k1, k2tog, yo, repeat from * to last 6 sts, yo, ssk, k1, k2tog, yo, k1.
• Rows 4 and 6: P5, k1, *p11, k1, repeat from * to last 6 sts, p6.
• Row 5: K2, yo, sl1-k2tog-psso, k1, yo, *yo, k1, k3tog, yo, k4, yo, sl1-k2tog-psso, k1, yo, repeat from * to last 6 sts, yo, k1, k3tog, yo, k2.
• Row 7: K3, yo, ssk, k1, *k1, k2tog, yo, k6, yo, ssk, k1, repeat from * to last 6 sts, k1, k2tog, yo, k3.
• Row 11: Yo, ssk, k1, k2tog, yo, k1, *k1, yo, ssk, k1, k2tog, [yo] twice, ssk, k1, k2tog, yo, k1, repeat from * to last 6 sts, k1, yo, ssk, k1, k2tog, yo.
• Rows 12 and 14: P6, *p5, k1, p6, repeat from * to last 6 sts, p6.
• Row 13: Yo, k1, k3tog, yo, k2, *k2, yo, sl1-k2tog-psso, k1, [yo] twice, k1, k3tog, yo, k2, repeat from * to last 6 sts, k2, yo, sl1-k2tog-psso, k1, yo.
• Row 15: K1, k2tog, yo, k3, *k3, yo, ssk, k2, k2tog, yo, k3, repeat from * to last 6 sts, k3, yo, ssk, k1.