Shown with a cast-on count of 30 stitches.  

• Row 1 (RS): K3, yo, k2tog, *ssk, yo, k6, yo, k2tog, repeat from * to last 5 sts, ssk, yo, k3.
• Rows 2, 4, 8, 12, 14, and 18: Purl.
• Row 3: K2, yo, ssk, *1/1 RC, k2tog, yo, k1, 1/1 RC, k1, yo, ssk, repeat from * to last 6 sts, 1/1 RC, k2tog, yo, k2.
• Row 5: Yo, ssk, k1, yo, k2tog, *ssk, yo, k1, k2tog, [yo] twice, ssk, k1, yo, k2tog, repeat from * to last 5 sts, ssk, yo, k1, k2tog, yo.
• Rows 6 and 20: P5, *p4, k1, p5, repeat from * to last 5 sts, p5.
• Row 7: K1, yo, sl1-k2tog-psso, yo, *1/1 RC, yo, k3tog, yo, k2, yo, sl1-k2tog-psso, yo, repeat from * to last 6 sts, 1/1 RC, yo, k3tog, yo, k1.
• Row 9: K1, yo, [k2tog] twice, yo, *yo, [ssk] twice, yo, 1/1 RC, yo, [k2tog] twice, yo, repeat from * to last 5 sts, yo, [ssk] twice, yo, k1.
• Rows 10 and 16: P4, k1, *p9, k1, repeat from * to last 5 sts, p5.
• Row 11: Ssk, yo, k3, *k3, yo, k2tog, ssk, yo, k3, repeat from * to last 5 sts, k3, yo, k2tog.
• Row 13: K1, k2tog, yo, k1, *1/1 RC, k1, yo, ssk, 1/1 RC, k2tog, yo, k1, repeat from * to last 6 sts, 1/1 RC, k1, yo, ssk, k1.
• Row 15: Ssk, yo, k1, k2tog, yo, *yo, ssk, k1, yo, k2tog, ssk, yo, k1, k2tog, yo, repeat from * to last 5 sts, yo, ssk, k1, yo, k2tog.
• Row 17: K1, yo, k3tog, yo, k1, *k1, yo, sl1-k2tog-psso, yo, 1/1 RC, yo, k3tog, yo, k1, repeat from * to last 5 sts, k1, yo, sl1-k2tog-psso, yo, k1.
• Row 19: Yo, [ssk] twice, yo, *1/1 RC, yo, [k2tog] twice, [yo] twice, [ssk] twice, yo, repeat from * to last 6 sts, 1/1 RC, yo, [k2tog] twice, yo.