Shown with a cast-on count of 10 stitches.  

• Rows 1 and 3 (RS): K2, p2, k2, p4.
• Rows 2 and 4: K4, p2, k2, p2.
• Row 5: 2/2 RPC, k2, p4.
• Rows 6 and 8: K4, p4, k2.
• Row 7: P2, 2/2 RC, p4.
• Row 9: P2, k2, 2/2 RPC, p2.
• Rows 10 and 12: K2, p2, k2, p2, k2.
• Row 11: P2, k2, p2, k2, p2.
• Row 13: P2, 2/2 RPC, k2, p2.
• Rows 14 and 16: K2, p4, k4.
• Row 15: P4, 2/2 RC, p2.
• Row 17: P4, k2, 2/2 RPC.
• Rows 18 and 20: P2, k2, p2, k4.
• Row 19: P4, k2, p2, k2.