Shown with a cast-on count of 8 stitches.  

• Row 1 (WS): K1, *k1, yo, sl1 wyif, repeat from * to last st, k1 (multiple of 3 sts, plus 2).
• Rows 2 and 6: Sl1 wyib, k1, *sl1 wyib, k2, repeat from * to last 3 sts, sl1 wyib, k2.
• Row 3: Sl1 wyif, *yo, sl1 wyif, k2tog, repeat from * to last st, k1.
• Row 4: Sl1 wyib, *k2, sl1 wyib, repeat from * to last st, k1.
• Row 5: Sl1 wyif, *k2tog, yo, sl1 wyif, repeat from * to last st, k1.