Shown with a cast-on count of 5 stitches.  

• Round 1: K1, ctr dbl inc, k1 tbl, ctr dbl inc, k1 (9 sts).
• Round 2: K1, sl3 wyib, k1 tbl, sl3 wyib, k1.
• Round 3: 3/1 RC, sl1 wyib, 3/1 LC.
• Round 4: K3tog, k1, k1 tbl, k1, sl1-k2tog-psso (5 sts).
• Round 5: Yo, k1, ctr dbl inc, sl1 wyib, ctr dbl inc, k1 (10 sts).
• Round 6: K1 tbl, k1, sl3 wyib, k1 tbl, sl3 wyib, k1.
• Round 7: K1, 3/1 RC, sl1 wyib, 3/1 LC.
• Round 8: K1, k3tog, k1, k1 tbl, k1, sl1-k2tog-psso (6 sts).
• Round 9: K2, M1R, ctr dbl inc, sl1 wyib, ctr dbl inc, M1L, k1 (12 sts).
• Rounds 10, 14, and 18: K3, sl3 wyib, k1 tbl, sl3 wyib, k2.
• Rounds 11, 15, and 19: K1, 3/2 RC, sl1 wyib, 3/2 LC.
• Rounds 12, 16, and 20: K1, k3tog, k2, k1 tbl, k2, sl1-k2tog-psso (8 sts).
• Rounds 13 and 17: K3, ctr dbl inc, sl1 wyib, ctr dbl inc, k2 (12 sts).
• Round 21: Sl1 wyib, incL, k2, ctr dbl inc, sl1 wyib, ctr dbl inc, k2 (13 sts).
• Round 22: K2 tbl, k2, sl3 wyib, k1 tbl, sl3 wyib, k2.
• Round 23: Ctr dbl inc, ctr dbl inc, k1, 3/1 RC, sl1 wyib, 3/1 LC, k1 (17 sts).
• Round 24: Sl3 wyib, M1L, sl3 wyib, k1, k3tog, k1, k1 tbl, k1, sl1-k2tog-psso, k1 (14 sts).