Shown with a cast-on count of 6 stitches.  

• Round 1: K6.
• Round 2: *K1, yo, repeat from * (12 sts).
• Rounds 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, and 27: Knit.
• Round 4: *K1, yo, repeat from * (24 sts).
• Round 6: *K1, yo, k3, yo, repeat from * (36 sts).
• Round 8: *K1, yo, k5, yo, repeat from * (48 sts).
• Round 10: *K1, yo, k7, yo, repeat from * (60 sts).
• Round 12: *K1, yo, k2tog, k7, ssk, yo, repeat from *.
• Round 14: *K1, yo, k6, k5, yo, repeat from * (70 sts).
• Round 16: *K1, k3tog, k1, yo, k2tog, k5, ssk, yo, repeat from * (60 sts).
• Round 18: *[Yo, k1] 3 times, yo, k2tog, k3, ssk, repeat from * (72 sts).
• Round 20: *K3, yo, sl1-k2tog-psso, yo, repeat from *.
• Round 22: *K1, yo, repeat from * (144 sts).
• Round 24: *K2, yo, k3tog, k1, yo, k1, yo, k1, repeat from * (162 sts).
• Round 26: *K1, yo, k3, k1, yo, k1, yo, k3tog, repeat from * (180 sts).