Shown with a cast-on count of 36 stitches.  

• Round 1: [K1, kfb, k14, kfb, k1] twice (40 sts).
• Rounds 2, 4, 6, 8, and 10: Purl.
• Round 3: [K1, kfb, k16, kfb, k1] twice (44 sts).
• Round 5: [K1, kfb, k18, kfb, k1] twice (48 sts).
• Round 7: [K1, kfb, k20, kfb, k1] twice (52 sts).
• Round 9: [K1, kfb, k22, kfb, k1] twice (56 sts).
• Rounds 11 and 29-33: Knit.
• Round 12: K16, ssk, k20, k2tog, k16 (54 sts).
• Round 13: K16, ssk, k18, k2tog, k16 (52 sts).
• Round 14: K16, ssk, k16, k2tog, k16 (50 sts).
• Round 15: K16, ssk, k14, k2tog, k16 (48 sts).
• Round 16: K16, ssk, k12, k2tog, k16 (46 sts).
• Round 17: K16, ssk, k10, k2tog, k16 (44 sts).
• Round 18: K16, ssk, k8, k2tog, k16 (42 sts).
• Round 19: K16, ssk, k6, k2tog, k16 (40 sts).
• Round 20: K16, ssk, k4, k2tog, k16 (38 sts).
• Round 21: K16, ssk, k2, k2tog, k16 (36 sts).
• Round 22: K1, ssk, k13, ssk, k2tog, k13, k2tog, k1 (32 sts).
• Round 23: [K1, yo, ssk, k1] 4 times, [k1, k2tog, yo, k1] 4 times.
• Rounds 24-28: *K1, p1, repeat from *.