Shown with a cast-on count of 30 stitches.  

• Rounds 1-10 and 20: *K2, p2, k3, p2, k3, p2, k1, repeat from *.
• Round 11: *K2, M1L, p2, k3, p2, k3, p1, k2tog, repeat from *.
• Round 12: *K3, p2, k3, p2, k3, p1, k1, repeat from *.
• Round 13: *K2, M1L, k1, p2, k3, p2, k3, k2tog, repeat from *.
• Round 14: *K4, p2, k3, p2, k4, repeat from *.
• Round 15: *K2, M1L, k2, p2, k3, p2, k2, k2tog, repeat from *.
• Round 16: *K5, p2, k3, p2, k3, repeat from *.
• Round 17: *K2, M1Lp, k3, p2, k3, p2, k1, k2tog, repeat from *.
• Round 18: *K2, p1, k3, p2, k3, p2, k2, repeat from *.
• Round 19: *K2, M1Lp, p1, k3, p2, k3, p2, k2tog, repeat from *.
• Repeat rounds 11-20.