Shown with a cast-on count of 3 stitches.  

• Row 1 (RS): K3.
• Row 2: K2, yo, kfb (5 sts).
• Rows 3, 5, 7, 9, and 11: Yo, knit to last 2 sts, k2tog.
• Row 4: Knit to last st, kfb (6 sts).
• Row 6: Knit to last st, kfb (7 sts).
• Row 8: Knit to last st, kfb (8 sts).
• Row 10: Knit to last st, kfb (9 sts).
• Row 12: Knit to last st, kfb (1 more st).
• Repeat rows 11-12.