Shown with a cast-on count of 180 stitches.  

• Rounds 1, 5, 7, and 11: P2, k1, p2, k10, p2, k1, p2, k160.
• Rounds 2 and 10: P2, k1, p2, k10, p2, k1, p2, [3-to-3 gather, sl1 wyif] 40 times.
• Rounds 3 and 9: P2, k1, p2, k2, [2/2 LC] twice, p2, k1, p2, k160.
• Rounds 4 and 8: P2, k1, p2, k10, p2, k1, p2, [sl1 wyif, 3-to-3 gather] 40 times.
• Round 6: P2, k1, p2, [2/2 RC] twice, k2, p2, k1, p2, [3-to-3 gather, sl1 wyif] 40 times.
• Round 12: P2, k1, p2, [2/2 RC] twice, k2, p2, k1, p2, [sl1 wyif, 3-to-3 gather] 40 times.