Shown with a cast-on count of 40 stitches.  

• Rounds 1-18: *K1, p1, repeat from *.
• Rounds 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47-50, 53, and 55: Knit.
• Round 20: K2, M1L, k19, k19, M1R (42 sts).
• Round 22: K2, M1L, k20, k20, M1R (44 sts).
• Round 24: K2, M1L, k42, M1R (46 sts).
• Round 26: K2, M1L, k44, M1R (48 sts).
• Round 28: K2, M1L, k46, M1R (50 sts).
• Round 30: K2, M1L, k48, M1R (52 sts).
• Round 32: K2, M1L, k50, M1R (54 sts).
• Round 34: K2, M1L, k52, M1R (56 sts).
• Round 36: K2, M1L, k54, M1R (58 sts).
• Round 38: K2, M1L, k56, M1R (60 sts).
• Round 40: K2, M1L, k58, M1R (62 sts).
• Round 42: K2, M1L, k60, M1R (64 sts).
• Round 44: K2, M1L, k62, M1R (66 sts).
• Round 46: BO 2 sts, knit (64 sts).
• Round 51: *K2, k2tog, repeat from * (48 sts).
• Rounds 52, 54, and 56: Purl.
• Round 57: BO (0 sts).