Shown with a cast-on count of 77 stitches.  

• Rows 1, 3, 5, 7, and 9 (RS): [K2, p2] 19 times, k1.
• Rows 2, 4, 6, 8, and 10: P1, [k2, p2] 19 times.
• Row 11: BO 16 sts, p60 (61 sts).
• Rows 12, 14, 22, 24, 32, 34, 42, 44, 52, and 54: Knit.
• Rows 13, 15, 21, 23, 25, 31, 33, 35, 41, 43, 45, 51, 53, and 55: Purl.
• Rows 16, 18, 20, 26, 28, 30, 36, 38, 40, 46, 48, 50, 56, 58, and 60: Purl.
• Rows 17, 19, 27, 29, 37, 39, 47, 49, 57, and 59: Knit.
• Row 61: K1, k2tog, knit (60 sts).
• Row 62: P1, p2tog, purl (59 sts).
• Row 63: K1, k2tog, knit (58 sts).
• Row 64: P1, p2tog, purl (57 sts).
• Row 65: K1, k2tog, knit (56 sts).
• Row 66: K1, k2tog, knit (55 sts).
• Row 67: P1, p2tog, purl (54 sts).
• Row 68: K1, k2tog, knit (53 sts).
• Row 69: P1, p2tog, purl (52 sts).
• Row 70: K1, k2tog, knit (51 sts).
• Row 71: K1, k2tog, knit (50 sts).
• Row 72: P1, p2tog, purl (49 sts).
• Row 73: K1, k2tog, knit (48 sts).
• Row 74: P1, p2tog, purl (47 sts).
• Row 75: K1, k2tog, knit (46 sts).