Shown with a cast-on count of 36 stitches.  

• Row 0 (WS): K36.
• Row 1: Sl1 wyib, [yo, k2tog] 17 times, turn (35 sts).
• Rows 2, 4, 6, 8, 10, and 12: Knit.
• Row 3: Sl1 wyib, k1, [yo, k2tog] 15 times, turn (32 sts).
• Row 5: Sl1 wyib, [yo, k2tog] 14 times, turn (29 sts).
• Row 7: Sl1 wyib, k1, [yo, k2tog] 12 times, turn (26 sts).
• Row 9: Sl1 wyib, [yo, k2tog] 11 times, turn (23 sts).
• Row 11: Sl1 wyib, k1, [yo, k2tog] 9 times, turn (20 sts).
• Row 13: Knit (36 sts).
• Row 14: Sl1 wyif, knit.
• Repeat rows 1-14.