Shown with a cast-on count of 80 stitches.  

• Rounds 1-8: [K1, p1] 40 times.
• Rounds 9, 11, 13, 15, 17, 19, 21, and 23: Knit.
• Round 10: *K1, M1L, k15, M1R, k1, M1L, k23, M1R, repeat from * (88 sts).
• Round 12: *K1, M1L, k17, M1R, k1, M1L, k25, M1R, repeat from * (96 sts).
• Round 14: *K1, M1L, k19, M1R, k1, M1L, k27, M1R, repeat from * (104 sts).
• Round 16: *K1, M1L, k21, M1R, k1, M1L, k29, M1R, repeat from * (112 sts).
• Round 18: *K1, M1L, k23, M1R, k1, M1L, k31, M1R, repeat from * (120 sts).
• Round 20: *K1, M1L, p25, M1R, k1, M1L, k33, M1R, repeat from * (128 sts).
• Round 22: *K1, M1L, p27, M1R, k1, M1L, k35, M1R, repeat from * (136 sts).
• Round 24: *K1, M1L, p29, M1R, k1, M1L, k37, M1R, repeat from * (144 sts).
• Round 25: *K1, BO 31 sts, k39, repeat from * (82 sts).