Shown with a cast-on count of 41 stitches.  

• Round 1: K1, M1L, k39, M1R, k1 (43 sts).
• Round 2: K1, M1L, knit to last st, M1R, k1 (45 sts).
• Round 3: K1, M1L, knit to last st, M1R, k1 (47 sts).
• Round 4: K1, M1L, knit to last st, M1R, k1 (49 sts).
• Round 5: K1, M1L, knit to last st, M1R, k1 (51 sts).
• Round 6: K1, M1L, knit to last st, M1R, k1 (53 sts).
• Round 7: K1, M1L, knit to last st, M1R, k1 (55 sts).
• Round 8: K1, M1L, knit to last st, M1R, k1 (57 sts).
• Round 9: K1, M1L, knit to last st, M1R, k1 (59 sts).
• Round 10: K1, M1L, knit to last st, M1R, k1 (61 sts).
• Round 11: K1, M1L, knit to last st, M1R, k1 (63 sts).
• Round 12: K1, M1L, k19, sl1-k2tog-psso, k17, sl1-k2tog-psso, k19, M1R, k1 (61 sts).
• Rounds 13, 15, 17, and 19: Knit.
• Round 14: K1, M1L, k19, sl1-k2tog-psso, k15, sl1-k2tog-psso, k19, M1R, k1 (59 sts).
• Round 16: K1, k1, k18, sl1-k2tog-psso, k13, sl1-k2tog-psso, k18, k1, k1 (55 sts).
• Round 18: K1, ssk, k16, sl1-k2tog-psso, k11, sl1-k2tog-psso, k16, k2tog, k1 (49 sts).
• Round 20: K1, ssk, k14, sl1-k2tog-psso, k9, sl1-k2tog-psso, k14, k2tog, k1 (43 sts).
• Round 21: K1, ssk, k13, k1, k9, k1, k13, k2tog, k1 (41 sts).
• Round 22: K1, ssk, k11, sl1-k2tog-psso, k7, sl1-k2tog-psso, k11, k2tog, k1 (35 sts).
• Round 23: K1, ssk, k10, k1, k7, k1, k10, k2tog, k1 (33 sts).
• Round 24: K1, ssk, k8, sl1-k2tog-psso, k5, sl1-k2tog-psso, k8, k2tog, k1 (27 sts).
• Round 25: K1, ssk, k7, k1, k5, k1, k7, k2tog, k1 (25 sts).
• Round 26: K1, ssk, k5, sl1-k2tog-psso, k3, sl1-k2tog-psso, k5, k2tog, k1 (19 sts).
• Round 27: K1, ssk, k4, k1, k3, k1, k4, k2tog, k1 (17 sts).
• Round 28: K1, ssk, k2, sl1-k2tog-psso, k1, sl1-k2tog-psso, k2, k2tog, k1 (11 sts).
• Round 29: K1, ssk, k5, k2tog, k1 (9 sts).
• Round 30: BO (0 sts).