Shown with a cast-on count of 1 stitch.  

• Round 1: Yo, k1 (2 sts).
• Rounds 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, and 70: Knit.
• Round 3: Yo, k2 (3 sts).
• Round 5: K1, yo, k2 (4 sts).
• Round 7: Yo, ssk, yo, k2 (5 sts).
• Round 9: Yo, k1, yo, 1-to-5 inc, yo, k1, yo, k2 (13 sts).
• Round 11: K1 tbl, yo, yo, ssk, k5, k2tog, yo, yo, k1 tbl, yo, k2 (16 sts).
• Round 13: Yo, ssk, k2tog, yo, k5, yo, ssk, k2, yo, k3 (17 sts).
• Round 15: K2tog, yo, yo, ssk, k5, k2tog, yo, yo, ssk, k2tog, yo, k2.
• Round 17: Yo, ssk, k2tog, yo, yo, k5tog, yo, ssk, k2tog, yo, 1-to-5 inc, yo, k1, yo, k2 (20 sts).
• Round 19: K1, yo, k3tog, k2tog, yo, ssk, yo, yo, k2tog, k5, ssk, yo, yo, k1 tbl, k2.
• Round 21: Yo, ssk, k3tog, yo, ssk, k2tog, yo, k5, yo, ssk, k2tog, yo, k2 (18 sts).
• Round 23: Yo, k1, yo, 1-to-5 inc, k3tog, yo, yo, ssk, k5, k2tog, yo, yo, ssk, yo, k2 (24 sts).
• Round 25: K2tog, yo, yo, k1 tbl, k5, yo, ssk, k2tog, yo, k5tog, yo, ssk, k2, yo, k3 (22 sts).
• Round 27: Yo, ssk, k2tog, yo, k5, k2tog, yo, yo, ssk, k3tog, yo, yo, ssk, yo, k2, yo, k2 (23 sts).
• Round 29: K2tog, yo, yo, ssk, k5, yo, ssk, k2tog, yo, yo, ssk, k2tog, yo, k3, yo, 1-to-5 inc, yo, k2 (29 sts).
• Round 31: Yo, ssk, k2tog, yo, yo, k5tog, k2tog, yo, yo, ssk, k3tog, k2tog, yo, k2, yo, k1, yo, k5, yo, k1, yo, k2 (28 sts).
• Round 33: K1, yo, k3tog, k2tog, yo, yo, ssk, k3tog, 1-to-5 inc, yo, k1, yo, k2, k1 tbl, yo, yo, ssk, k5, k2tog, yo, yo, k1 tbl, k2 (33 sts).
• Round 35: Yo, ssk, yo, k3tog, k3tog, yo, k5, k1 tbl, yo, yo, ssk, k2, yo, ssk, k2tog, yo, k5, yo, ssk, k2tog, yo, k2 (32 sts).
• Round 37: Yo, k1, yo, 1-to-5 inc, k2tog, yo, yo, ssk, k5, yo, ssk, k2tog, yo, k2, yo, k2tog, yo, yo, ssk, k5tog, k2tog, yo, yo, ssk, yo, k2 (36 sts).
• Round 39: K1 tbl, yo, yo, ssk, k5, yo, ssk, k2tog, yo, k5, k2tog, yo, yo, ssk, k3, yo, ssk, k2tog, yo, yo, sl1-k2tog-psso, k2tog, yo, k3.
• Round 41: Yo, ssk, k2tog, yo, k5, k2tog, yo, yo, ssk, k5tog, yo, yo, ssk, k2tog, yo, k2, yo, ssk, yo, [k3tog] twice, yo, k2tog, yo, k2 (31 sts).
• Round 43: Yo, k2tog, yo, yo, ssk, k5, yo, ssk, [k2tog, yo, yo, ssk] twice, yo, k2, yo, k1, yo, 1-to-5 inc, ssk, yo, yo, k2tog, 1-to-5 inc, yo, k1, yo, k2 (45 sts).
• Round 45: K1, yo, ssk, k2tog, yo, yo, k5tog, k2tog, yo, [yo, ssk, k2tog, yo] twice, k3, k2tog, yo, yo, k1 tbl, k5, yo, ssk, k2tog, yo, k5, k2tog, yo, yo, k1 tbl, k2 (44 sts).
• Round 47: Yo, ssk, k3tog, k2tog, yo, yo, ssk, k2tog, yo, yo, ssk, k3tog, k2tog, yo, k2, yo, ssk, k2tog, yo, k5, k2tog, yo, yo, ssk, k5, yo, ssk, k2tog, yo, k2 (40 sts).
• Round 49: Yo, k1, yo, 1-to-5 inc, sl1-k2tog-psso, k2tog, yo, yo, ssk, k3tog, 1-to-5 inc, yo, k1, yo, k2, k2tog, yo, yo, ssk, k5, yo, ssk, k2tog, yo, k5, k2tog, yo, yo, ssk, k2 (48 sts).
• Round 51: K2tog, yo, yo, k1 tbl, k5, yo, k3tog, k3tog, yo, k5, k2tog, yo, yo, k1 tbl, k1, yo, yo, k1, k2, k2tog, yo, yo, k5tog, k2tog, yo, yo, ssk, k5tog, yo, yo, ssk, k2, k1, yo, yo, k1 (46 sts).
• Round 53: Yo, ssk, k2tog, yo, k5, k2tog, yo, yo, ssk, k5, yo, ssk, k2tog, yo, k1, yo, k2, yo, k1, [k2tog, yo, yo, ssk] 4 times, k1, yo, k2, yo, k1 (50 sts).
• Round 55: K2tog, yo, yo, ssk, k5, yo, ssk, k2tog, yo, k5, k2tog, yo, yo, ssk, k1, [yo, k1] 5 times, [yo, ssk, k2tog, yo] 4 times, k1, [yo, k1] 5 times (60 sts).
• Round 57: Ssk, k2tog, yo, yo, k5tog, k2tog, yo, yo, ssk, k5tog, yo, yo, ssk, k2tog, [kfb] 11 times, [k2tog, yo, yo, ssk] 4 times, [kfb] 11 times (74 sts).
• Round 59: Ssk, k1, k2tog, yo, yo, ssk, k2tog, yo, yo, ssk, k1, k2tog, [1/1 LC] 11 times, [ssk, k2tog, yo, yo] 3 times, ssk, k2tog, [1/1 LC] 11 times (70 sts).
• Round 61: Ssk, k2, k2tog, yo, yo, ssk, k2, k2tog, [1/1 LC] 11 times, sl1-k2tog-psso, k2tog, yo, yo, ssk, k2tog, yo, yo, ssk, k3tog, [1/1 LC] 11 times (64 sts).
• Round 63: Sl1-k2tog-psso, yo, yo, k2tog, k2tog, yo, yo, sl1-k2tog-psso, [1/1 LC] 11 times, sl1-k2tog-psso, k2tog, yo, yo, ssk, k3tog, [1/1 LC] 11 times (58 sts).
• Round 65: Yo, ssk, k2tog, yo, yo, ssk, k2tog, yo, 1/1 LC, yo, [1/1 LC] 9 times, yo, 1/1 LC, yo, [k3tog] twice, yo, 1/1 LC, yo, [1/1 LC] 9 times, yo, 1/1 LC (60 sts).
• Round 67: K2tog, yo, yo, ssk, [k2tog, yo, yo, ssk, 1/1 LC, yo, k1, yo, 1/1 LC, yo, [1/1 LC] twice, k1 tbl, ssk, k2tog, k1 tbl, [1/1 LC] twice, yo, 1/1 LC, yo, k1, yo, 1/1 LC] twice (68 sts).
• Round 69: Ssk, k2tog, yo, yo, ssk, k2tog, k2tog, k3tog, 1/1 LC, yo, k1, yo, [1/1 LC] twice, ssk, k2tog, [1/1 LC] twice, yo, k1, yo, 1/1 LC, k3tog, 1/1 LC, yo, ssk, k2tog, yo, k2tog, k3tog, 1/1 LC, yo, k1, yo, [1/1 LC] twice, ssk, k2tog, [1/1 LC] twice, yo, k1, yo, 1/1 LC, k3tog, 1/1 LC (60 sts).
• Round 71: K3tog, k3tog, yo, yo, k1, yo, k1, yo, k2tog, yo, k3tog, yo, [k2tog, yo] 5 times, yo, k3tog, yo, k2tog, yo, k1, yo, k2tog, yo, k2tog, yo, yo, ssk, yo, k1, yo, k1, yo, k2tog, yo, k3tog, yo, [k2tog, yo] 5 times, yo, k3tog, yo, k2tog, yo, k1, yo, k2tog, yo, yo (64 sts).