Shown with a cast-on count of 58 stitches.  

• Round 1: K58.
• Round 2: K1, ssk, knit to last 3 sts, k2tog, k1 (56 sts).
• Rounds 3, 5, 7-9, and 11-21: Knit.
• Round 4: K1, ssk, knit to last 3 sts, k2tog, k1 (54 sts).
• Round 6: K1, ssk, knit to last 3 sts, k2tog, k1 (52 sts).
• Round 10: K1, ssk, knit to last 3 sts, k2tog, k1 (50 sts).
• Round 22: *K3, k2tog, repeat from * (40 sts).
• Rounds 23-30: *K1, p1, repeat from *.