Shown with a cast-on count of 17 stitches.  

• Round 1: P3, 1-to-7 inc, p3, k7, p3 (23 sts).
• Round 2: P3, k7, p3, k7, p3.
• Round 3: P3, k7, p3, ssk, k3, k2tog, p3 (21 sts).
• Rounds 4 and 13: P3, k7, p3, k5, p3.
• Round 5: P3, k7, p3, ssk, k1, k2tog, p3 (19 sts).
• Round 6: P3, k7, p3, sl2-k1-p2sso, p3 (17 sts).
• Round 7: P3, ssk, k3, k2tog, p3, 1-to-7 inc, p3 (21 sts).
• Round 8: P3, k5, p3, k7, p3.
• Round 9: P3, ssk, k1, k2tog, p3, k7, p3 (19 sts).
• Round 10: P3, k3, p3, k7, p3.
• Round 11: P3, sl2-k1-p2sso, p3, k7, p3 (17 sts).
• Round 12: P3, 1-to-7 inc, p3, ssk, k3, k2tog, p3 (21 sts).