Shown with a cast-on count of 31 stitches.  

• Row 1 (RS): K1, *p1, k13, repeat from * to last 2 sts, p1, k1.
• Row 2: P1, k1, *k1, p11, k2, repeat from * to last st, p1.
• Row 3: K1, *p3, k9, p2, repeat from * to last 2 sts, p1, k1.
• Row 4: P1, k1, *k3, p7, k4, repeat from * to last st, p1.
• Row 5: K1, *p5, k5, p4, repeat from * to last 2 sts, p1, k1.
• Row 6: P1, k1, *k5, p3, k6, repeat from * to last st, p1.
• Row 7: K1, *p7, k1, p6, repeat from * to last 2 sts, p1, k1.
• Row 8: P2, *p6, k1, p7, repeat from * to last st, p1.
• Row 9: K1, *k6, p3, k5, repeat from * to last 2 sts, k2.
• Row 10: P2, *p4, k5, p5, repeat from * to last st, p1.
• Row 11: K1, *k4, p7, k3, repeat from * to last 2 sts, k2.
• Row 12: P2, *p2, k9, p3, repeat from * to last st, p1.
• Row 13: K1, *k2, p11, k1, repeat from * to last 2 sts, k2.
• Row 14: P2, *k13, p1, repeat from * to last st, p1.