Shown with a cast-on count of 30 stitches.  

• Row 1 (RS): K2, yo, k2tog, yo, k3, k2, k2tog, yo, *k2, k2tog, yo, repeat from * to last 11 sts, k2, k2tog, yo, k3, yo, k2tog, yo, k2 (multiple of 4 sts, plus 24).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40: Purl.
• Row 3: K2, yo, k2tog, yo, k4, yo, sl2-k1-p2sso, yo, k1, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 12 sts, yo, sl2-k1-p2sso, yo, k1, k4, yo, k2tog, yo, k2 (multiple of 4 sts, plus 26).
• Row 5: K2, yo, k2tog, yo, k2, k2tog, yo, k1, k2tog, yo, *k2, k2tog, yo, repeat from * to last 15 sts, k2, k2tog, yo, k2, k1, yo, k2tog, k2, yo, k2tog, yo, k2 (multiple of 4 sts, plus 28).
• Row 7: K2, yo, k2tog, yo, k2, k2tog, yo, k2, k2, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 16 sts, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k2, yo, k2tog, k2, yo, k2tog, yo, k2 (multiple of 4 sts, plus 30).
• Row 9: K2, yo, k2tog, yo, k2, [k2tog, yo] twice, k1, k2, k2tog, yo, *k2, k2tog, yo, repeat from * to last 15 sts, k2, k2tog, yo, k1, [yo, k2tog] twice, k2, yo, k2tog, yo, k2 (multiple of 4 sts, plus 32).
• Row 11: K1, [k2tog, yo] twice, k2tog, k2, yo, k2tog, k1, yo, sl2-k1-p2sso, yo, k1, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 16 sts, yo, sl2-k1-p2sso, yo, k1, k1, k2tog, yo, k2, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 30).
• Row 13: K1, [k2tog, yo] twice, k2tog, k2, yo, k2tog, k2tog, yo, *k2, k2tog, yo, repeat from * to last 17 sts, k2, k2tog, yo, k2, k2tog, yo, k2, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 28).
• Row 15: K1, [k2tog, yo] twice, k2tog, k3, k2, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 16 sts, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k3, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 26).
• Row 17: K1, [k2tog, yo] twice, k2tog, k2, k2, k2tog, yo, *k2, k2tog, yo, repeat from * to last 13 sts, k2, k2tog, yo, k2, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 24).
• Row 19: K1, [k2tog, yo] twice, k2tog, k1, yo, sl2-k1-p2sso, yo, k1, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 12 sts, yo, sl2-k1-p2sso, yo, k1, k1, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 22).
• Row 21: K2, yo, k2tog, yo, k3, k2tog, yo, *k2, k2tog, yo, repeat from * to last 13 sts, k2, k2tog, yo, k2, k3, yo, k2tog, yo, k2 (multiple of 4 sts, plus 24).
• Row 23: K2, yo, k2tog, yo, k4, k2, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 14 sts, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k4, yo, k2tog, yo, k2 (multiple of 4 sts, plus 26).
• Row 25: K2, yo, k2tog, yo, k2, k2tog, yo, k1, k2, k2tog, yo, *k2, k2tog, yo, repeat from * to last 13 sts, k2, k2tog, yo, k1, yo, k2tog, k2, yo, k2tog, yo, k2 (multiple of 4 sts, plus 28).
• Row 27: K2, yo, k2tog, yo, k2, k2tog, yo, k2, yo, sl2-k1-p2sso, yo, k1, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 14 sts, yo, sl2-k1-p2sso, yo, k1, k2, yo, k2tog, k2, yo, k2tog, yo, k2 (multiple of 4 sts, plus 30).
• Row 29: K2, yo, k2tog, yo, k2, [k2tog, yo] twice, k1, k2tog, yo, *k2, k2tog, yo, repeat from * to last 17 sts, k2, k2tog, yo, k2, k1, [yo, k2tog] twice, k2, yo, k2tog, yo, k2 (multiple of 4 sts, plus 32).
• Row 31: K1, [k2tog, yo] twice, k2tog, k2, yo, k2tog, k1, k2, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 18 sts, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k1, k2tog, yo, k2, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 30).
• Row 33: K1, [k2tog, yo] twice, k2tog, k2, yo, k2tog, k2, k2tog, yo, *k2, k2tog, yo, repeat from * to last 15 sts, k2, k2tog, yo, k2tog, yo, k2, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 28).
• Row 35: K1, [k2tog, yo] twice, k2tog, k3, yo, sl2-k1-p2sso, yo, k1, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 14 sts, yo, sl2-k1-p2sso, yo, k1, k3, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 26).
• Row 37: K1, [k2tog, yo] twice, k2tog, k2, k2tog, yo, *k2, k2tog, yo, repeat from * to last 15 sts, k2, k2tog, yo, k2, k2, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 24).
• Row 39: K1, [k2tog, yo] twice, k2tog, k1, k2, *yo, sl2-k1-p2sso, yo, k1, repeat from * to last 14 sts, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k1, [k2tog, yo] twice, k2tog, k1 (multiple of 4 sts, plus 22).