Shown with a cast-on count of 19 stitches.  

• Row 1 (RS): P3, *(k1, yo, k1) in next st, p2, k1, p2, repeat from * to last 4 sts, (k1, yo, k1) in next st, p3 (multiple of 8 sts, plus 9).
• Rows 2, 4, and 6: K3, p3, *k1, p3, repeat from * to last 3 sts, k3.
• Rows 3 and 5: P3, k3, *p1, k3, repeat from * to last 3 sts, p3.
• Row 7: P3, *sl2-k1-p2sso, p2, k1, p2, repeat from * to last 6 sts, sl2-k1-p2sso, p3 (multiple of 6 sts, plus 7).
• Row 8: K3, p1, *k2, p1, repeat from * to last 3 sts, k3.