Shown with a cast-on count of 2 stitches.  

• Round 1: Knit.
• Round 2: *IncR, k1, repeat from * (multiple of 2 sts).
• Round 3: *P2, repeat from *.
• Round 4: *K1, incL, k1, repeat from * (multiple of 3 sts).
• Round 5: *P3, repeat from *.
• Round 6: *K1, ctr dbl inc, k1, repeat from * (multiple of 5 sts).
• Round 7: *P5, repeat from *.
• Round 8: *K2, ctr dbl inc, k2, repeat from * (multiple of 7 sts).
• Round 9: *P2, k3, p2, repeat from *.
• Round 10: *K3, ctr dbl inc, k3, repeat from * (multiple of 9 sts).
• Round 11: *P2, k5, p2, repeat from *.
• Round 12: *K4, ctr dbl inc, k4, repeat from * (multiple of 11 sts).
• Round 13: *P2, k7, p2, repeat from *.
• Round 14: *K5, ctr dbl inc, k5, repeat from * (multiple of 13 sts).
• Round 15: *P2, k9, p2, repeat from *.
• Round 16: *K6, ctr dbl inc, k6, repeat from * (multiple of 15 sts).
• Round 17: *P2, k11, p2, repeat from *.
• Round 18: *IncR, k1, ssk, k4, ctr dbl inc, k4, k2tog, k1, incL, repeat from * (multiple of 17 sts).
• Round 19: *P2, k13, p2, repeat from *.
• Round 20: *K1, incR, k1, yo, ssk, k9, k2tog, yo, k1, incL, k1, repeat from * (multiple of 19 sts).
• Round 21: *P3, k13, p3, repeat from *.
• Round 22: *K2, incR, k2, yo, ssk, k7, k2tog, yo, k2, incL, k2, repeat from * (multiple of 21 sts).
• Round 23: *P5, k11, p5, repeat from *.
• Round 24: *K3, incR, k3, yo, ssk, k5, k2tog, yo, k3, incL, k3, repeat from * (multiple of 23 sts).
• Round 25: *P7, k9, p7, repeat from *.
• Round 26: *K4, incR, k4, yo, ssk, k3, k2tog, yo, k4, incL, k4, repeat from * (multiple of 25 sts).
• Round 27: *P9, k7, p9, repeat from *.
• Round 28: *K5, incR, k5, yo, ssk, k1, k2tog, yo, k5, incL, k5, repeat from * (multiple of 27 sts).
• Round 29: *P11, k5, p11, repeat from *.
• Round 30: *K12, yo, sl2-k1-p2sso, yo, k12, repeat from *.