Shown with a cast-on count of 42 stitches.  

• Row 1 (RS): K4, yo, k1, k2tog, *ssk, k1, yo, k3, 1/1 RC, k3, yo, k1, k2tog, repeat from * to last 7 sts, ssk, k1, yo, k4.
• Rows 2, 6, 8, 14, 16, 20, 22, and 28: Purl.
• Row 3: Ssk, [yo] twice, k2tog, k1, k2tog, *[yo] twice, ssk, k1, [ssk, [yo] twice, k2tog] twice, k1, k2tog, repeat from * to last 7 sts, [yo] twice, ssk, k1, ssk, [yo] twice, k2tog.
• Row 4: P1, k1, p1, p3, k1, p1, *p3, k1, p1, p2, k1, p1, p3, k1, p1, repeat from * to last 6 sts, p3, k1, p1, p1.
• Row 5: K1, yo, k1, [k2tog] twice, yo, k1, *k1, yo, [ssk] twice, k1, yo, k2, yo, k1, [k2tog] twice, yo, k1, repeat from * to last 7 sts, k1, yo, [ssk] twice, k1, yo, k1.
• Row 7: Ssk, yo, k2tog, yo, ssk, yo, k1, *k1, yo, k2tog, yo, [ssk, yo, k2tog] twice, yo, ssk, yo, k1, repeat from * to last 7 sts, k1, yo, k2tog, yo, ssk, yo, k2tog.
• Row 9: Yo, k1, k2tog, k1, yo, ssk, k1, *k1, k2tog, yo, k1, ssk, k1, [yo] twice, k1, k2tog, k1, yo, ssk, k1, repeat from * to last 7 sts, k1, k2tog, yo, k1, ssk, k1, yo.
• Row 10: P7, *p6, k1, p1, p6, repeat from * to last 7 sts, p7.
• Row 11: K1, k2tog, k2, [yo] twice, ssk, *k2tog, [yo] twice, k2, ssk, k2, k2tog, k2, [yo] twice, ssk, repeat from * to last 7 sts, k2tog, [yo] twice, k2, ssk, k1.
• Row 12: P4, k1, p1, p1, *p1, k1, p1, p8, k1, p1, p1, repeat from * to last 7 sts, p1, k1, p1, p4.
• Row 13: K2tog, k4, yo, *1/1 RC, yo, k4, ssk, k2tog, k4, yo, repeat from * to last 8 sts, 1/1 RC, yo, k4, ssk.
• Row 15: Ssk, k1, yo, k3, *1/1 RC, k3, yo, k1, k2tog, ssk, k1, yo, k3, repeat from * to last 8 sts, 1/1 RC, k3, yo, k1, k2tog.
• Row 17: Yo, ssk, k1, ssk, [yo] twice, k2tog, *ssk, [yo] twice, k2tog, k1, k2tog, [yo] twice, ssk, k1, ssk, [yo] twice, k2tog, repeat from * to last 7 sts, ssk, [yo] twice, k2tog, k1, k2tog, yo.
• Row 18: P4, k1, p1, p1, *p1, [k1, p1, p3] twice, k1, p1, p1, repeat from * to last 7 sts, p1, k1, p1, p4.
• Row 19: K1, yo, [ssk] twice, k1, yo, k1, *k1, yo, k1, [k2tog] twice, yo, k2, yo, [ssk] twice, k1, yo, k1, repeat from * to last 7 sts, k1, yo, k1, [k2tog] twice, yo, k1.
• Row 21: K1, yo, k2tog, yo, ssk, yo, k2tog, *ssk, yo, k2tog, yo, ssk, yo, k2, yo, k2tog, yo, ssk, yo, k2tog, repeat from * to last 7 sts, ssk, yo, k2tog, yo, ssk, yo, k1.
• Row 23: K1, k2tog, yo, k1, ssk, k1, *[yo] twice, k1, k2tog, k1, yo, ssk, k2, k2tog, yo, k1, ssk, k1, repeat from * to last 7 sts, [yo] twice, k1, k2tog, k1, yo, ssk, k1.
• Row 24: P6, k1, p1, *p12, k1, p1, repeat from * to last 6 sts, p6.
• Row 25: K2tog, [yo] twice, k2, ssk, k1, *k1, k2tog, k2, [yo] twice, ssk, k2tog, [yo] twice, k2, ssk, k1, repeat from * to last 7 sts, k1, k2tog, k2, [yo] twice, ssk.
• Row 26: P1, k1, p1, p4, *p4, k1, p1, p2, k1, p1, p4, repeat from * to last 7 sts, p4, k1, p1, p1.
• Row 27: K1, yo, k4, ssk, *k2tog, k4, yo, 1/1 RC, yo, k4, ssk, repeat from * to last 7 sts, k2tog, k4, yo, k1.