Shown with a cast-on count of 43 stitches.  

• Row 1 (RS): K2tog, *k3, p2, yo, k1, yo, p2, k3, sl1-k2tog-psso, repeat from * to last 13 sts, k3, p2, yo, k1, yo, p2, k3, ssk.
• Rows 2 and 14: *P4, k2, p3, k2, p3, repeat from * to last st, p1.
• Row 3: K2tog, *k2, p2, [k1, yo] twice, k1, p2, k2, sl1-k2tog-psso, repeat from * to last 13 sts, k2, p2, [k1, yo] twice, k1, p2, k2, ssk.
• Rows 4 and 12: *P3, k2, p5, k2, p2, repeat from * to last st, p1.
• Row 5: K2tog, *k1, p2, k2, yo, k1, yo, k2, p2, k1, sl1-k2tog-psso, repeat from * to last 13 sts, k1, p2, k2, yo, k1, yo, k2, p2, k1, ssk.
• Rows 6 and 10: *P2, k2, p7, k2, p1, repeat from * to last st, p1.
• Row 7: K2tog, *p2, k3, yo, k1, yo, k3, p2, sl1-k2tog-psso, repeat from * to last 13 sts, p2, k3, yo, k1, yo, k3, p2, ssk.
• Row 8: *P1, k2, p9, k2, repeat from * to last st, p1.
• Row 9: K1, *yo, p2, k3, sl1-k2tog-psso, k3, p2, yo, k1, repeat from *.
• Row 11: K1, *yo, k1, p2, k2, sl1-k2tog-psso, k2, p2, k1, yo, k1, repeat from *.
• Row 13: K1, *yo, k2, p2, k1, sl1-k2tog-psso, k1, p2, k2, yo, k1, repeat from *.
• Row 15: K1, *yo, k3, p2, sl1-k2tog-psso, p2, k3, yo, k1, repeat from *.
• Row 16: *P5, k2, p1, k2, p4, repeat from * to last st, p1.