Shown with a cast-on count of 62 stitches.  

• Rows 1, 3, and 5 (RS): [K2, p2] 15 times, k2.
• Rows 2, 4, and 6: [P2, k2] 15 times, p2.
• Rows 7 and 13: Knit.
• Rows 8, 10, 12, 14, 18, 20, 22, 24, and 26: Purl.
• Row 9: K2, M1L, knit to last 2 sts, M1R, k2 (64 sts).
• Row 11: K2, M1L, knit to last 2 sts, M1R, k2 (66 sts).
• Row 15: BO 4 sts, knit (62 sts).
• Row 16: BO 4 sts, purl (58 sts).
• Row 17: K2, ssk, knit to last 4 sts, k2tog, k2 (56 sts).
• Row 19: K2, ssk, knit to last 4 sts, k2tog, k2 (54 sts).
• Row 21: K2, ssk, knit to last 4 sts, k2tog, k2 (52 sts).
• Row 23: K2, ssk, knit to last 4 sts, k2tog, k2 (50 sts).
• Row 25: K2, ssk, knit to last 4 sts, k2tog, k2 (48 sts).
• Row 27: K2, ssk, knit to last 4 sts, k2tog, k2 (46 sts).
• Rows 28, 30, 32, 34, and 36 (RS): [K2, p2] 11 times, k2.
• Rows 29, 31, 33, and 35: [P2, k2] 11 times, p2.
• Row 37: BO (0 sts).