Shown with a cast-on count of 12 stitches.  

• Rounds 1-5: K1, p1, k1, p1, k1, p1, k1, p1, k1, p1, k1, p1.
• Round 6: Kfb, p1, kfb, p1, kfb, p1, kfb, p1, kfb, p1, kfb, p1 (18 sts).
• Rounds 7-17: K1, p2, k1, p2, k1, p2, k1, p2, k1, p2, k1, p2.
• Round 18: K1, p1, pfb, k1, p1, pfb, k1, p1, pfb, k1, p1, pfb, k1, p1, pfb, k1, p1, pfb (24 sts).
• Rounds 19-39: K1, p2, k2, p2, k2, p2, k2, p2, k2, p2, k2, p2, k1.
• Round 40: K1, p1, M1L, p1, k2, p1, M1L, p1, k2, p1, M1L, p1, k2, p1, M1L, p1, k2, p1, M1L, p1, k2, p1, M1L, p1, k1 (30 sts).
• Rounds 41-51: K1, p3, k2, p3, k2, p3, k2, p3, k2, p3, k2, p3, k1.