Shown with a cast-on count of 48 stitches.  

• Rounds 1-4 and 6-8: [K2, p2, k6, p2] 4 times.
• Round 5: [K2, p2, 3/3 LC, p2] 4 times.
• Round 9: [Ssk, p2, k6, p2] 4 times (44 sts).
• Round 10: [K1, p2, k6, p2] 4 times.
• Round 11: [K1, p2, ssk, k2, k2tog, p2] 4 times (36 sts).
• Round 12: [K1, p2, 2/2 LC, p2] 4 times.
• Round 13: [K1, p2, k4, p2] 4 times.
• Round 14: [K1, p2tog, k4, p2tog] 4 times (28 sts).
• Rounds 15-17: [K1, p1, k4, p1] 4 times.
• Round 18: [P2tog, k4, p1] 4 times (24 sts).
• Round 19: P1, *2/2 LC, p2, repeat from * to last 5 sts, 2/2 LC, p1.
• Round 20: P1, *k4, p2, repeat from * to last 5 sts, k4, p1.