Shown with a cast-on count of 21 stitches.  

• Round 1: [Sl2-k1-p2sso, yo, sl2-k1-p2sso, yo] 3 times, sl2-k1-p2sso (13 sts).
• Rounds 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20: Knit.
• Round 3: [K1 tbl, yo, k3, yo] 3 times, k1 tbl (19 sts).
• Round 5: Ssk, yo, [sl2-k1-p2sso, yo, sl2-k1-p2sso, yo] twice, sl2-k1-p2sso, yo, k2tog (13 sts).
• Round 7: Ssk, [yo, k1 tbl, yo, k3] twice, yo, k1 tbl, yo, k2tog (17 sts).
• Round 9: Ssk, yo, ssk, yo, sl2-k1-p2sso, yo, sl2-k1-p2sso, yo, sl2-k1-p2sso, yo, k2tog, yo, k2tog (13 sts).
• Round 11: Ssk, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k2tog (11 sts).
• Round 13: Ssk, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k2tog (9 sts).
• Round 15: Ssk, yo, ssk, k1, k2tog, yo, k2tog (7 sts).
• Round 17: Ssk, yo, sl2-k1-p2sso, yo, k2tog (5 sts).
• Round 19: Ssk, k1, k2tog (3 sts).
• Round 21: Sl2-k1-p2sso (1 st).