Shown with a cast-on count of 20 stitches.  

• Round 1: P4, k2, 2/2 RC, 2/2 LC, k2, p4.
• Rounds 2, 12, and 22: P4, k12, p4.
• Rounds 3 and 13: P4, 2/2 RPC, k4, 2/2 LPC, p4.
• Rounds 4 and 14: P4, k2, p2, k4, p2, k2, p4.
• Rounds 5 and 15: P3, 2/1 RPC, p2, 2/2 RC, p2, 2/1 LPC, p3.
• Rounds 6 and 16: P3, k2, p3, k4, p3, k2, p3.
• Rounds 7 and 17: P2, 2/1 RPC, p3, k4, p3, 2/1 LPC, p2.
• Rounds 8, 10, 18, and 20: P2, k2, p4, k4, p4, k2, p2.
• Rounds 9 and 19: P2, k2, p4, 2/2 RC, p4, k2, p2.
• Rounds 11 and 21: P2, 2/2 LPC, 2/2 RC, 2/2 LC, 2/2 RPC, p2.
• Repeat rounds 11-20.