Shown with a cast-on count of 41 stitches.  

• Row 1 (RS): K1, *k2, k2tog, yo, k1, yo, ssk, k3, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, and 18: Purl.
• Row 3: K1, *k1, k2tog, yo, k3, yo, ssk, k2, repeat from *.
• Row 5: K1, *[k2tog, yo] twice, k1, [yo, ssk] twice, k1, repeat from *.
• Row 7: [K2tog, yo] twice, k3, yo, ssk, *yo, sl2-k1-p2sso, yo, k2tog, yo, k3, yo, ssk, repeat from * to last 12 sts, yo, sl2-k1-p2sso, yo, k2tog, yo, k3, [yo, ssk] twice.
• Row 9: K1, *[yo, ssk] twice, k1, [k2tog, yo] twice, k1, repeat from *.
• Row 11: K1, *k1, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k2, repeat from *.
• Row 13: K1, *k2, yo, ssk, k1, k2tog, yo, k3, repeat from *.
• Row 15: K1, *k3, yo, sl2-k1-p2sso, yo, k4, repeat from *.
• Row 17: *[K1, yo] 4 times, sl2-k1-p2sso, [yo, k1] 3 times, yo, repeat from * to last st, k1 (multiple of 16 sts, plus 1).
• Row 19: K1, *k6, sl2-k1-p2sso, k7, repeat from * (multiple of 14 sts, plus 1).
• Row 20: P1, *p5, sl2-k1-p2sso, p6, repeat from * (multiple of 12 sts, plus 1).
• Row 21: *[K1, yo] 5 times, sl2-k1-p2sso, [yo, k1] 4 times, yo, repeat from * to last st, k1 (multiple of 20 sts, plus 1).
• Rows 22 and 28: P1, *p8, sl2-k1-p2sso, p9, repeat from * (multiple of 18 sts, plus 1).
• Rows 23 and 29: K1, *k7, sl2-k1-p2sso, k8, repeat from * (multiple of 16 sts, plus 1).
• Row 24: P1, *p6, sl2-k1-p2sso, p7, repeat from * (multiple of 14 sts, plus 1).
• Row 25: *[K1, yo] 6 times, sl2-k1-p2sso, [yo, k1] 5 times, yo, repeat from * to last st, k1 (multiple of 24 sts, plus 1).
• Row 26: P1, *p10, sl2-k1-p2sso, p11, repeat from * (multiple of 22 sts, plus 1).
• Row 27: K1, *k9, sl2-k1-p2sso, k10, repeat from * (multiple of 20 sts, plus 1).
• Row 30: *[P1, yo] 7 times, sl2-k1-p2sso, [yo, p1] 6 times, yo, repeat from * to last st, p1 (multiple of 28 sts, plus 1).
• Row 31: K1, *k12, sl2-k1-p2sso, k13, repeat from * (multiple of 26 sts, plus 1).
• Row 32: P1, *p11, sl2-k1-p2sso, p12, repeat from * (multiple of 24 sts, plus 1).
• Row 33: K1, *k10, sl2-k1-p2sso, k11, repeat from * (multiple of 22 sts, plus 1).
• Row 34: P1, *p9, sl2-k1-p2sso, p10, repeat from * (multiple of 20 sts, plus 1).