Shown with a cast-on count of 2 stitches.  

• Round 1: K2.
• Rounds 2, 4, 6, and 65-68: Knit.
• Round 3: [Yo, k1 tbl] twice (4 sts).
• Round 5: K4.
• Round 7: K2, yo, yo, k2 (6 sts).
• Rounds 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28: Knit to last 4 sts, p1, k3.
• Round 9: Yo, k1, k2tog, yo, yo, k2tog tbl, k1 (7 sts).
• Round 11: Yo, k1 tbl, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (9 sts).
• Round 13: Yo, k3, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (11 sts).
• Round 15: Yo, k5, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (13 sts).
• Round 17: Yo, k2, sl1-k2tog-psso, k2, yo, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 19: Yo, k7, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (15 sts).
• Round 21: Yo, k3, sl1-k2tog-psso, k3, yo, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 23: Yo, k9, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (17 sts).
• Round 25: Yo, k1 tbl, yo, k3, sl1-k2tog-psso, k3, yo, k1 tbl, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (19 sts).
• Round 27: Yo, sl1-k2tog-psso, yo, k7, yo, sl1-k2tog-psso, yo, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 29: P1, yo, k2tog tbl, yo, k2, sl1-k2tog-psso, k2, yo, k2tog, yo, p1, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 30: P1, k11, p1, k2, p1, k3.
• Round 31: P1, k1 tbl, yo, k2tog tbl, yo, k5, yo, k2tog, yo, k1 tbl, p1, k1, k2tog, yo, yo, k2tog tbl, k1 (21 sts).
• Round 32: P1, k1 tbl, k11, k1 tbl, p1, k2, p1, k3.
• Round 33: P1, k1 tbl, p1, yo, k2tog tbl, yo, k1, sl1-k2tog-psso, k1, yo, k2tog, yo, p1, k1 tbl, p1, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 34: P1, k1 tbl, p1, k9, p1, k1 tbl, p1, k2, p1, k3.
• Round 35: [P1, k1 tbl] twice, yo, k2tog tbl, yo, k3, yo, k2tog, yo, [k1 tbl, p1] twice, k1, k2tog, yo, yo, k2tog tbl, k1 (23 sts).
• Round 36: [P1, k1 tbl] twice, k9, [k1 tbl, p1] twice, k2, p1, k3.
• Round 37: P1, [k1 tbl, p1] twice, yo, k2tog tbl, yo, sl1-k2tog-psso, yo, k2tog, yo, p1, [k1 tbl, p1] twice, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 38: P1, k1 tbl, p1, k1 tbl, p1, k7, p1, k1 tbl, p1, k1 tbl, p1, k2, p1, k3.
• Round 39: Yo, k2tog, [p1, k1 tbl] twice, yo, k2tog tbl, yo, k1, yo, k2tog, yo, [k1 tbl, p1] twice, ssk, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (25 sts).
• Round 40: K1, k1 tbl, p1, k1 tbl, p1, k1 tbl, k7, k1 tbl, p1, k1 tbl, p1, k1 tbl, k3, p1, k3.
• Round 41: Yo, k1, yo, [k1 tbl, p1] 3 times, yo, k2tog tbl, k1, k2tog, yo, [p1, k1 tbl] 3 times, yo, k1, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (29 sts).
• Round 42: K3, [k1 tbl, p1] 3 times, k5, [p1, k1 tbl] 3 times, k5, p1, k3.
• Round 43: Yo, k3, yo, [k1 tbl, p1] 3 times, k1 tbl, yo, sl1-k2tog-psso, yo, [k1 tbl, p1] 3 times, k1 tbl, yo, k3, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (33 sts).
• Rounds 44, 46, and 48: K5, [k1 tbl, p1] 8 times, k1 tbl, k7, p1, k3.
• Round 45: Yo, k2tog tbl, k1, k2tog, yo, [k1 tbl, p1] 8 times, k1 tbl, yo, k2tog tbl, k1, k2tog, yo, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 47: Yo, k2tog tbl, k1, k2tog, yo, k1 tbl, [p1, k1 tbl] 8 times, yo, k2tog tbl, k1, k2tog, yo, k1, k2tog, yo, yo, k2tog tbl, k1.
• Round 49: Yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, [k1 tbl, p1] 3 times, k1 tbl, p3tog, [k1 tbl, p1] 3 times, k1 tbl, yo, k1, yo, k3tog, yo, k1, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (35 sts).
• Round 50: K7, [k1 tbl, p1] 7 times, k1 tbl, k9, p1, k3.
• Round 51: Yo, k2, k2tog, yo, k3, yo, [k1 tbl, p1] 3 times, sl1-k2tog-psso, [p1, k1 tbl] 3 times, yo, k3, yo, k2tog tbl, k2, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (37 sts).
• Round 52: K9, [k1 tbl, p1] 6 times, k1 tbl, k11, p1, k3.
• Round 53: Yo, k2tog tbl, k2, yo, k2tog tbl, k1, k2tog, yo, [k1 tbl, p1] twice, k1 tbl, p3tog, [k1 tbl, p1] twice, k1 tbl, yo, k2tog tbl, k1, k2tog, yo, k2, k2tog, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (35 sts).
• Round 54: K9, [k1 tbl, p1] 5 times, k1 tbl, k11, p1, k3.
• Round 55: Yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, k3tog, yo, k1, yo, [k1 tbl, p1] twice, sl1-k2tog-psso, [p1, k1 tbl] twice, yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, k3tog, yo, k1, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (37 sts).
• Round 56: K11, [k1 tbl, p1] 4 times, k1 tbl, k13, p1, k3.
• Round 57: Yo, k2, k2tog, yo, k3, yo, k2tog tbl, k2, yo, k1 tbl, p1, k1 tbl, p3tog, k1 tbl, p1, k1 tbl, yo, k2, k2tog, yo, k3, yo, k2tog tbl, k2, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (39 sts).
• Round 58: K13, [k1 tbl, p1] 3 times, k1 tbl, k15, p1, k3.
• Round 59: Yo, k2tog tbl, k2, yo, k2tog tbl, k1, k2tog, yo, k2, k2tog, yo, k1 tbl, p1, sl1-k2tog-psso, p1, k1 tbl, yo, k2tog tbl, k2, yo, k2tog tbl, k1, k2tog, yo, k2, k2tog, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (37 sts).
• Round 60: K13, [k1 tbl, p1] twice, k1 tbl, k15, p1, k3.
• Round 61: [Yo, k1, yo, sl1-k2tog-psso] 3 times, yo, k1, yo, k1 tbl, p3tog, k1 tbl, yo, k1, yo, [sl1-k2tog-psso, yo, k1, yo] 3 times, k1, k2tog, yo, yo, k2tog tbl, k1 (39 sts).
• Round 62: K15, k1 tbl, p1, k1 tbl, k17, p1, k3.
• Round 63: [Yo, k4] 3 times, yo, k3, yo, sl1-k2tog-psso, yo, k3, [yo, k4] 3 times, yo, k1, k2tog, yo, yo, k2tog tbl, k1 (47 sts).
• Round 64: K19, bunny ears back dec, k21, p1, k3 (46 sts).