Shown with a cast-on count of 0 stitches.  

• Round 0: CO 4 sts (4 sts).
• Round 1: *Kfb, repeat from * (8 sts).
• Rounds 2, 4, 6, 8, 10, 12, and 14: Knit.
• Round 3: *Kfb, repeat from * (16 sts).
• Round 5: *K1, kfb, repeat from * (24 sts).
• Round 7: *(K1, yo, k1) in next st, k1, repeat from * (48 sts).
• Round 9: *K1, M1L, yo, k1, yo, M1R, k1, sl1-k2tog-psso, repeat from * (64 sts).
• Round 11: *K2, 1-to-5 inc, k2, sl1-k2tog-psso, repeat from * (80 sts).
• Round 13: *K3, 1-to-5 inc, k3, sl1-k2tog-psso, repeat from * (96 sts).
• Round 15: *K4, 1-to-5 inc, k4, sl1-k2tog-psso, repeat from * (112 sts).