Shown with a cast-on count of 32 stitches.  

• Row 3 (RS): K3, yo, k2tog, yo, k1, *[yo, ssk] twice, k1, [k2tog, yo] twice, k1, repeat from * to last 6 sts, yo, ssk, k1, yo, sl3 wyif (multiple of 10 sts, plus 14).
• Rows 4, 6, 8, 10, 12, 14, 16, and 18: K3, purl to last 3 sts, sl3 wyif.
• Row 5: K3, yo, k2tog, yo, k3, *yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k3, repeat from * to last 6 sts, yo, ssk, k1, yo, sl3 wyif (multiple of 10 sts, plus 16).
• Row 7: K3, yo, *[k2tog, yo] twice, k1, [yo, ssk] twice, k1, repeat from * to last 3 sts, yo, sl3 wyif (multiple of 10 sts, plus 8).
• Row 9: K3, yo, k2, k2tog, yo, k3, *yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k3, repeat from * to last 8 sts, yo, ssk, yo, k2tog, k1, yo, sl3 wyif (multiple of 10 sts, plus 20).
• Row 11: K3, yo, k2, *[k2tog, yo] twice, k1, [yo, ssk] twice, k1, repeat from * to last 5 sts, k2, yo, sl3 wyif (multiple of 10 sts, plus 12).
• Row 13: K3, yo, k1, yo, sl2-k1-p2sso, yo, k2tog, yo, k3, *yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k3, repeat from * to last 10 sts, yo, ssk, yo, sl2-k1-p2sso, yo, k2, yo, sl3 wyif (multiple of 10 sts, plus 24).
• Row 15: K3, yo, k1, yo, ssk, k1, *[k2tog, yo] twice, k1, [yo, ssk] twice, k1, repeat from * to last 7 sts, k2tog, yo, k2, yo, sl3 wyif (multiple of 10 sts, plus 16).
• Row 17: K3, yo, k1, *yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k3, repeat from * to last 12 sts, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k2, yo, sl3 wyif (multiple of 10 sts, plus 18).