Shown with a cast-on count of 3 stitches.  

• Row 1 (RS): [Kfb] 3 times (6 sts).
• Row 3 (RS): [Kfb, k1, kfb] twice (10 sts).
• Row 5 (RS): [K1] 5 times, [yo] twice, [k1] 5 times (12 sts).
• Row 7 (RS): [K1] 5 times, [yo] twice, kfb, [yo] 5 times, kfb, [yo] twice, [k1] 5 times (23 sts).
• Row 9: Knit.
• Row 10: Knit.