Shown with a cast-on count of 31 stitches.  

• Row 1 (RS): P1, k1, p1, *1-to-5 inc, p1, k1, p1, k5, p1, k1, p1, repeat from * to last 4 sts, 1-to-5 inc, p1, k1, p1 (multiple of 16 sts, plus 11).
• Rows 2, 4, 6, and 8: Purl.
• Row 3: P1, k1, p1, *k5, p1, k1, p1, k5tog, p1, k1, p1, repeat from * to last 8 sts, k5, p1, k1, p1 (multiple of 12 sts, plus 11).
• Row 5: P1, k1, p1, *k5, p1, k1, p1, 1-to-5 inc, p1, k1, p1, repeat from * to last 8 sts, k5, p1, k1, p1 (multiple of 16 sts, plus 11).
• Row 7: P1, k1, p1, *k5tog, p1, k1, p1, k5, p1, k1, p1, repeat from * to last 8 sts, k5tog, p1, k1, p1 (multiple of 12 sts, plus 7).
• Repeat rows 1-8.