Shown with a cast-on count of 80 stitches.  

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