Shown with a cast-on count of 68 stitches.  

• Round 1: K68.
• Rounds 2-10: *K2, p2, repeat from *.
• Rounds 11-30, 32, and 34: *K1, p1, repeat from *.
• Round 31: K1, p1, *sl2-k1-p2sso, p1, [k1, p1] 6 times, repeat from * to last 2 sts, k1, p1 (60 sts).
• Round 33: [K1, p1] twice, *sl2-k1-p2sso, p1, [k1, p1] twice, sl2-k1-p2sso, p1, k1, p1, repeat from * (44 sts).
• Round 35: *Sl2-k1-p2sso, p1, repeat from * (22 sts).
• Round 36: K1, *k2tog, k1, repeat from * (15 sts).
• Round 37: *K2tog, repeat from * to last st, p1 (8 sts).