Shown with a cast-on count of 80 stitches.  

• Row 1 (RS): *K2tog, yo, repeat from *.
• Rows 2 and 8: *Yo, k2tog, k8, repeat from *.
• Rows 3 and 7: *P7, p2tog, yo, p1, repeat from *.
• Rows 4 and 6: *K2, yo, k2tog, k6, repeat from *.
• Row 5: *P5, p2tog, yo, p3, repeat from *.
• Row 9: Knit.
• Row 10: Knit.
• Row 11: K80.
• Row 12: K70, turn (70 sts).
• Row 13: K60, turn (60 sts).
• Row 14: K50, turn (50 sts).
• Row 15: K40, turn (40 sts).
• Row 16: K30, turn (30 sts).
• Row 17: K20, turn (20 sts).
• Row 18: K10, turn (10 sts).
• Row 19: Knit (40 sts).
• Row 20: Knit (80 sts).