Shown with a cast-on count of 49 stitches.  

• Row 39 (RS): K1, *yo, k3tog, yo, k1, k2tog, yo, k1 tbl, yo, ssk, k2, yo, k1, yo, k2, k2tog, yo, k1, yo, ssk, k1, yo, k3tog, yo, k1, repeat from * (multiple of 26 sts, plus 1).
• Row 41 (RS): K1, *yo, k3tog, yo, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, k1, yo, k3tog, yo, k1, k2tog, yo, k1, yo, k1, yo, k1, yo, k2tog, yo, k3tog, yo, k1, repeat from * (multiple of 30 sts, plus 1).
• Row 43 (RS): K1, *k2tog, k2tog, yo, k3, yo, k1, yo, k3, yo, ssk, k3tog, k2tog, yo, k3, yo, k1, yo, k3, yo, ssk, ssk, k1, repeat from *.
• Row 45 (RS): K1, *k2tog, yo, k2tog, k2, yo, k1, yo, k1, yo, k1, yo, k2, ssk, yo, k3tog, yo, k2tog, k2, yo, k1, yo, k1, yo, k1, yo, k2, ssk, yo, ssk, k1, repeat from * (multiple of 34 sts, plus 1).
• Row 47 (RS): K1, *k1, yo, k2tog, k4, yo, k1, yo, k1, yo, k1, yo, k4, ssk, yo, k1, yo, k2tog, k4, yo, k1, yo, k1, yo, k1, yo, k4, ssk, yo, k1, k1, repeat from * (multiple of 42 sts, plus 1).
• Row 49 (RS): K1, *yo, k3tog, k7, yo, k1, yo, k7, ssk, yo, k1, yo, k2tog, k7, yo, k1, yo, k7, k3tog, yo, k1, repeat from * (multiple of 44 sts, plus 1).
• Row 51 (RS): K1, *k1, yo, k2tog, k15, ssk, yo, k2, repeat from *.
• Row 53 (RS): K1, *k2, yo, k2tog, k13, ssk, yo, k3, repeat from *.
• Row 55 (RS): K1, *k3, yo, k2tog, k11, ssk, yo, k4, repeat from *.
• Row 57 (RS): K1, *k4, yo, k2tog, k9, ssk, yo, k5, repeat from *.
• Row 59 (RS): K1, *yo, ssk, k2tog, yo, k1, yo, k2tog, k7, ssk, yo, k1, yo, k2tog, ssk, yo, k1, repeat from *.
• Row 61 (RS): K1, *k2tog, yo, yo, ssk, k2tog, yo, k2tog, k5, ssk, yo, ssk, k2tog, yo, yo, ssk, k1, repeat from * (multiple of 20 sts, plus 1).