Shown with a cast-on count of 8 stitches.  

• Round 1: K1, M1L, knit to last st, M1L, k1 (10 sts).
• Rounds 2, 4, 6, 8, and 10: Knit.
• Round 3: K1, M1L, knit to last st, M1L, k1 (12 sts).
• Round 5: K1, M1L, knit to last st, M1L, k1 (14 sts).
• Round 7: K1, M1L, knit to last st, M1L, k1 (16 sts).
• Round 9: K1, M1L, knit to last st, M1L, k1 (18 sts).
• Rounds 11, 13, 15, 17, 19, 21, 23, 25, 27, and 29: [P3, k2, yo, k2tog, k2] twice.