Shown with a cast-on count of 37 stitches.  

• Rows 1, 3, 9, and 11 (RS): Knit.
• Rows 2, 4, 8, 10, 12, and 16: Knit.
• Rows 5 and 7: K1, *yo, sl1-k2tog-psso, yo, k1, sl1 wyib, k1, sl1 wyib, k1, yo, sl1-k2tog-psso, yo, k1, yo, sl1-k2tog-psso, yo, k1, repeat from * to last 4 sts, yo, sl1-k2tog-psso, yo, k1.
• Row 6: P4, *p8, sl1 wyif, p1, sl1 wyif, p1, sl1 wyif, p3, repeat from * to last st, p1.
• Rows 13 and 15: K1, *yo, sl1-k2tog-psso, yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, sl1-k2tog-psso, yo, k1, sl1 wyib, k1, sl1 wyib, k1, repeat from * to last 4 sts, yo, sl1-k2tog-psso, yo, k1.
• Row 14: P4, *sl1 wyif, p1, sl1 wyif, p1, sl1 wyif, p11, repeat from * to last st, p1.