Shown with a cast-on count of 0 stitches.  

• Row 1 (RS): CO 100 sts (100 sts).
• Row 2: Purl.
• Rows 3, 5, 7, and 9: *K2, p2, repeat from *.
• Rows 4, 6, 8, and 10: *K2, p2, repeat from *.
• Rows 12 and 14: *K1, p1, repeat from *.
• Rows 13 and 15: *P1, k1, repeat from *.
• Row 16: Knit.
• Row 17: *P1, k2tog, k19, p1, k2tog, repeat from * (92 sts).
• Row 18: *P1, [p1, k1] 10 times, k1, p1, repeat from *.
• Row 19: *P1, k2tog, k17, p1, k2tog, repeat from * (84 sts).
• Row 20: *P1, [p1, k1] 9 times, k1, p1, repeat from *.
• Row 21: *P1, k2tog, k15, p1, k2tog, repeat from * (76 sts).
• Row 22: *P1, [p1, k1] 8 times, k1, p1, repeat from *.
• Row 23: *P1, k2tog, k13, p1, k2tog, repeat from * (68 sts).
• Row 24: *P1, [p1, k1] 7 times, k1, p1, repeat from *.
• Row 25: *P1, k2tog, k11, p1, k2tog, repeat from * (60 sts).
• Row 27: *P1, [p1, k1] 6 times, k1, p1, repeat from *.
• Row 29: *P1, k2tog, k9, p1, k2tog, repeat from * (52 sts).
• Row 30: *P1, [p1, k1] 5 times, k1, p1, repeat from *.
• Row 31: *P1, k2tog, k7, p1, k2tog, repeat from * (44 sts).
• Row 32: *P1, [p1, k1] 4 times, k1, p1, repeat from *.
• Row 33: *P1, k2tog, k5, p1, k2tog, repeat from * (36 sts).
• Row 34: *P1, [p1, k1] 3 times, k1, p1, repeat from *.
• Row 35: *P1, k2tog, k3, p1, k2tog, repeat from * (28 sts).
• Row 36: *P1, [p1, k1] twice, k1, p1, repeat from *.
• Row 37: *P1, k2tog, k1, p1, k2tog, repeat from * (20 sts).