Shown with a cast-on count of 2 stitches.  

• Row 1 (RS): K2.
• Rows 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, and 64: Purl.
• Row 3: K1, yo, k1 (3 sts).
• Row 5: K1, yo, k1 tbl, yo, k1 (5 sts).
• Row 7: K2, yo, k1 tbl, yo, k2 (7 sts).
• Row 9: K3, yo, k1 tbl, yo, k3 (9 sts).
• Rows 11 and 13: Ssk, k2, yo, k1 tbl, yo, k2, k2tog.
• Row 15: Yo, ssk, k2, yo, k1 tbl, yo, k2, k2tog (10 sts).
• Row 17: Yo, k1 tbl, yo, ssk, k2, yo, k1 tbl, yo, k2, k2tog (12 sts).
• Row 19: [Yo, k1] 3 times, yo, ssk, k5, k2tog (14 sts).
• Row 21: Yo, k2tog, [yo, k1] 3 times, yo, ssk, yo, ssk, k3, k2tog (16 sts).
• Row 23: [Yo, k2tog] twice, yo, k3, [yo, ssk] twice, yo, ssk, k1, k2tog.
• Row 25: [K2tog, yo] twice, k5, [yo, ssk] twice, yo, k3tog, yo.
• Row 27: [Ssk, yo] 3 times, k1, [yo, k2tog] 3 times, yo, k3tog, yo.
• Row 29: [Ssk, yo] twice, ssk, k1, [k2tog, yo] 3 times, k3, yo.
• Row 31: [Ssk, yo] twice, k3tog, [k2tog, yo] twice, k1, [yo, k1 tbl] 3 times, yo, k1 (18 sts).
• Row 33: Ssk, yo, ssk, k1, k2tog, yo, k2tog, k2, yo, k1 tbl, yo, k3, yo, k1 tbl, yo, k2 (20 sts).
• Row 35: Ssk, yo, k3tog, yo, k2tog, k3, yo, k1 tbl, yo, k5, yo, k1 tbl, yo, k3 (22 sts).
• Row 37: Ssk, k1, k2tog, k4, yo, k1 tbl, yo, k7, yo, k1 tbl, yo, k4 (24 sts).
• Row 39: K3tog, ssk, k3, yo, k1 tbl, yo, k9, yo, k1 tbl, yo, k3, k2tog.
• Row 41: K1 tbl, ssk, k7, k2tog, yo, k1 tbl, yo, ssk, k7, k2tog (22 sts).
• Row 43: K1 tbl, ssk, k5, k2tog, yo, k1 tbl, yo, k1, yo, k1 tbl, yo, ssk, k5, k2tog.
• Row 45: Yo, k1, yo, ssk, k3, k2tog, k1, yo, k1 tbl, yo, k3, yo, k1 tbl, yo, k1, ssk, k3, k2tog (24 sts).
• Row 47: Yo, k3tog, yo, ssk, k1, k2tog, k2, yo, k1 tbl, yo, k5, yo, k1 tbl, yo, k2, ssk, k1, k2tog.
• Row 49: [Yo, k3tog] twice, k3, yo, k1 tbl, yo, k7, yo, k1 tbl, yo, k3, k3tog.
• Row 51: Yo, k3tog, yo, k1 tbl, k4, yo, k1 tbl, yo, k9, yo, k1 tbl, yo, k4, k1 tbl (28 sts).
• Row 53: Yo, k3tog, yo, k12, yo, k1, yo, k12 (30 sts).
• Row 55: [[Yo, k1] 3 times, yo, ssk, k8, k2tog] twice (34 sts).
• Row 57: [[Yo, k1] 7 times, yo, ssk, k6, k2tog] twice (46 sts).
• Row 59: [[Yo, k2tog] 3 times, [yo, k1] 3 times, [yo, ssk] 4 times, k4, k2tog] twice (50 sts).
• Row 61: [[Yo, k2tog] 3 times, yo, k7, [yo, ssk] 4 times, k2, k2tog] twice.
• Row 63: [[Yo, k2tog] 3 times, yo, k9, [yo, ssk] 4 times, k2tog] twice.
• Row 65: [[Yo, k2tog] 3 times, yo, k11, [yo, ssk] 4 times] twice (52 sts).