Shown with a cast-on count of 39 stitches.  

• Row 1 (WS): Knit.
• Row 2: K18, sl1-k2tog-psso, k18 (37 sts).
• Row 3: P37.
• Row 4: K2, [yo, ssk] 7 times, k1, sl1-k2tog-psso, k1, [k2tog, yo] 7 times, k2 (35 sts).
• Row 5: P35.
• Row 6: K16, sl1-k2tog-psso, k16 (33 sts).
• Row 7: K33.
• Row 8: K15, sl1-k2tog-psso, k15 (31 sts).
• Row 9: P31.
• Row 10: K2, [yo, ssk] 6 times, sl1-k2tog-psso, [k2tog, yo] 6 times, k2 (29 sts).
• Row 11: P29.
• Row 12: K13, sl1-k2tog-psso, k13 (27 sts).
• Row 13: K27.
• Row 14: K12, sl1-k2tog-psso, k12 (25 sts).
• Row 15: P25.
• Row 16: K2, [yo, ssk] 4 times, k1, sl1-k2tog-psso, k1, [k2tog, yo] 4 times, k2 (23 sts).
• Row 17: P23.
• Row 18: K10, sl1-k2tog-psso, k10 (21 sts).
• Row 19: K21.
• Row 20: K9, sl1-k2tog-psso, k9 (19 sts).
• Row 21: P19.
• Row 22: K2, [yo, ssk] 3 times, sl1-k2tog-psso, [k2tog, yo] 3 times, k2 (17 sts).
• Row 23: P17.
• Row 24: K7, sl1-k2tog-psso, k7 (15 sts).
• Row 25: K15.
• Row 26: K6, sl1-k2tog-psso, k6 (13 sts).
• Row 27: P13.
• Row 28: K5, sl1-k2tog-psso, k5 (11 sts).
• Row 29: K11.
• Row 30: K4, sl1-k2tog-psso, k4 (9 sts).
• Row 31: P9.
• Row 32: K3, sl1-k2tog-psso, k3 (7 sts).
• Row 33: P7.
• Row 34: K2, sl1-k2tog-psso, k2 (5 sts).
• Row 35: P5.
• Row 36: K1, sl1-k2tog-psso, k1 (3 sts).
• Row 37: Sssp (1 st).