Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): K2, k2tog, yo, k1, *yo, ssk, k3, k2tog, yo, k1, repeat from * to last 4 sts, yo, ssk, k2.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 22: Purl.
• Rows 3 and 19: K3, yo, sl2-k1-p2sso, *yo, k5, yo, sl2-k1-p2sso, repeat from * to last 3 sts, yo, k3.
• Row 5: K1, k2tog, yo, k2, *k1, yo, ssk, k1, k2tog, yo, k2, repeat from * to last 4 sts, k1, yo, ssk, k1.
• Row 7: K2, yo, k2tog, k1, *ssk, yo, k3, yo, k2tog, k1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 9: K2tog, yo, k3, *k2, yo, sl2-k1-p2sso, yo, k3, repeat from * to last 4 sts, k2, yo, ssk.
• Row 11: K1, yo, k2tog, k2, *k1, ssk, yo, k1, yo, k2tog, k2, repeat from * to last 4 sts, k1, ssk, yo, k1.
• Row 13: Ssk, yo, k3, *k2, yo, sl2-k1-p2sso, yo, k3, repeat from * to last 4 sts, k2, yo, k2tog.
• Row 15: K2, yo, ssk, k1, *k2tog, yo, k3, yo, ssk, k1, repeat from * to last 4 sts, k2tog, yo, k2.
• Row 17: K1, ssk, yo, k2, *k1, yo, k2tog, k1, ssk, yo, k2, repeat from * to last 4 sts, k1, yo, k2tog, k1.
• Row 21: K2, ssk, yo, k1, *yo, k2tog, k3, ssk, yo, k1, repeat from * to last 4 sts, yo, k2tog, k2.