Shown with a cast-on count of 70 stitches.  

• Row 1 (WS): Purl.
• Row 2: K1, *yo, ssk, k13, k2tog, yo, ssk, k13, k2tog, yo, repeat from * to last st, k1 (multiple of 33 sts, plus 2).
• Row 4 (RS): K1, *k1, yo, ssk, k11, k2tog, yo, k1, yo, ssk, k11, k2tog, yo, k1, repeat from * to last st, k1.
• Row 6 (RS): K1, *k2, yo, ssk, k9, k2tog, yo, k1, (k1, p1) in next st, k1, yo, ssk, k9, k2tog, yo, k2, repeat from * to last st, k1 (multiple of 34 sts, plus 2).
• Row 8 (RS): K1, *yo, ssk, k1, yo, ssk, k7, k2tog, yo, k1, k2tog, yo, ssk, k1, yo, ssk, k7, k2tog, yo, k1, k2tog, repeat from * to last st, k1 (multiple of 32 sts, plus 2).
• Row 10 (RS): K1, *yo, (k1, p1) in next st, yo, ssk, k1, yo, ssk, k5, k2tog, yo, k1, k2tog, yo, (k1, p1) in next st, yo, ssk, k1, yo, ssk, k5, k2tog, yo, k1, k2tog, repeat from * to last st, k1 (multiple of 34 sts, plus 2).
• Row 12 (RS): K1, *yo, k2tog, yo, ssk, yo, ssk, k1, yo, ssk, k3, k2tog, yo, k1, k2tog, yo, k2tog, yo, ssk, yo, ssk, k1, yo, ssk, k3, k2tog, yo, k1, k2tog, repeat from * to last st, k1 (multiple of 32 sts, plus 2).
• Row 14 (RS): K1, *yo, k2, yo, ctr dbl inc, yo, k2, yo, ssk, k1, yo, ssk, k1, k2tog, yo, k1, k2tog, yo, k2, ctr dbl inc, k2, yo, ssk, k1, yo, ssk, k1, k2tog, yo, k1, k2tog, repeat from * to last st, k1 (multiple of 38 sts, plus 2).
• Row 16 (RS): K1, *yo, k2, k2tog, yo, k3, yo, ssk, k2, yo, ssk, k1, yo, sl1-k2tog-psso, yo, k1, k2tog, yo, k3, yo, k3, yo, k3, yo, ssk, k1, yo, sl1-k2tog-psso, yo, k1, k2tog, repeat from * to last st, k1 (multiple of 40 sts, plus 2).
• Row 18 (RS): K1, *yo, ssk, k2, yo, ssk, k1, k2tog, yo, k2, k2tog, yo, ssk, k3, k2tog, yo, ssk, k1, k2tog, yo, k3, yo, ssk, k1, k2tog, yo, ssk, k3, k2tog, repeat from * to last st, k1 (multiple of 36 sts, plus 2).
• Row 20 (RS): K1, *yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, k3tog, yo, k1, yo, k3tog, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, sl1-k2tog-psso, yo, ssk, k1, k2tog, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k1, k2tog, repeat from * to last st, k1 (multiple of 34 sts, plus 2).
• Row 22 (RS): K1, *[yo, k3, yo, k1] 3 times, yo, k3, yo, sl1-k2tog-psso, yo, k3tog, yo, ssk, yo, sl1-k2tog-psso, yo, k2tog, yo, sl1-k2tog-psso, yo, k3tog, repeat from * to last st, k1 (multiple of 36 sts, plus 2).
• Row 24 (RS): K1, *[yo, ssk, k1, k2tog, yo, k1] 3 times, yo, ssk, k1, k2tog, yo, ssk, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k2tog, repeat from * to last st, k1 (multiple of 34 sts, plus 2).
• Row 26 (RS): K1, *yo, k1, [yo, sl1-k2tog-psso, yo, k3] 3 times, yo, sl1-k2tog-psso, yo, k1, yo, ssk, yo, ssk, yo, sl1-k2tog-psso, yo, k2tog, yo, k2tog, repeat from * to last st, k1.
• Row 28 (RS): K1, *yo, k3, [yo, k1, yo, ssk, k1, k2tog] 3 times, yo, k1, yo, k3, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, repeat from * to last st, k1 (multiple of 36 sts, plus 2).
• Row 30 (RS): K1, *yo, k1, yo, sl1-k2tog-psso, yo, k1, [(k1, p1) in next st, k1, yo, sl1-k2tog-psso, yo, k1] 3 times, (k1, p1) in next st, k1, yo, sl1-k2tog-psso, yo, k1, yo, ssk, yo, sl1-k2tog-psso, yo, k2tog, repeat from * to last st, k1 (multiple of 40 sts, plus 2).
• Row 32 (RS): K1, *yo, k3tog, yo, k1, yo, [k1, k2tog, yo, ssk, k1, yo, k1, yo] 4 times, sl1-k2tog-psso, yo, ssk, k1, k2tog, repeat from * to last st, k1 (multiple of 42 sts, plus 2).
• Row 34 (RS): K1, *[yo, k2tog] twice, yo, k1, [k2tog, yo, (k1, p1) in next st, yo, ssk, sl1-k2tog-psso] 3 times, k2tog, yo, (k1, p1) in next st, yo, ssk, k1, [yo, ssk] twice, yo, sl1-k2tog-psso, repeat from * to last st, k1 (multiple of 40 sts, plus 2).
• Row 36 (RS): K1, *yo, yo, [k2tog, yo] twice, k1, k2tog, [yo, k2tog, yo, ssk, yo, sl1-k2tog-psso] 3 times, yo, k2tog, yo, ssk, yo, ssk, k1, yo, ssk, yo, ssk, k1, yo, repeat from * to last st, k1 (multiple of 39 sts, plus 2).
• Row 38 (RS): K1, *sl1-k2tog-psso, yo, k2tog, yo, k1, k2tog, [yo, k2tog, yo, (k1, p1) in next st, yo, ssk, yo, k1] 3 times, yo, k2tog, yo, (k1, p1) in next st, [yo, ssk] twice, k1, yo, ssk, yo, sl1-k2tog-psso, repeat from * to last st, k1 (multiple of 47 sts, plus 2).
• Row 40 (RS): K1, *yo, k1, k2tog, yo, k1, k2tog, yo, k2tog, [yo, k2tog, yo, ssk, yo, ssk, yo, k1, yo, k2tog] 3 times, yo, k2tog, [yo, ssk] 3 times, k1, yo, ssk, k1, yo, repeat from * to last st, k1 (multiple of 51 sts, plus 2).
• Row 42 (RS): K1, *sl1-k2tog-psso, yo, k1, k2tog, [yo, [k2tog, yo] twice, (k1, p1) in next st, [yo, ssk] twice, yo, k1] 3 times, yo, [k2tog, yo] twice, (k1, p1) in next st, [yo, ssk] 3 times, k1, yo, sl1-k2tog-psso, repeat from * to last st, k1 (multiple of 59 sts, plus 2).
• Row 44 (RS): K1, *k1, yo, k1, k2tog, [[yo, k2tog] 3 times, yo, [ssk, yo] 3 times, k1] 3 times, [yo, k2tog] 3 times, yo, [ssk, yo] 3 times, ssk, k1, yo, k1, yo, repeat from * to last st, k1 (multiple of 64 sts, plus 2).