Shown with a cast-on count of 38 stitches.  

• Rows 1, 21, and 23 (RS): K1, *p1, k5, repeat from * to last st, k1.
• Row 2: P1, *p3, k2, p1, repeat from * to last st, p1.
• Row 4: P1, *p3, k2, p1, repeat from * to last st, p1.
• Row 5: P1, *k1, p1, k1, repeat from * to last st, p1.
• Row 6: *K1, p1, k1, p1, k1, p1, repeat from * to last 2 sts, k1, p1.
• Row 7: *K5, p1, repeat from * to last 2 sts, k1, p1.
• Row 9: *P1, k1, p1, k1, p1, k1, repeat from * to last 2 sts, k1, p1.
• Row 10: *K1, p2, k1, p2, repeat from * to last 2 sts, k1, p1.
• Row 11: *K5, p1, repeat from * to last 2 sts, k1, p1.
• Row 13: *P1, k3, p3, k2, repeat from * to last 2 sts, p1, k1.
• Row 15: P1, *k1, p1, k1, repeat from * to last st, p1.
• Row 16: K1, p1, *p3, sl2-k1-p2sso, repeat from * (multiple of 4 sts, plus 2).