Shown with a cast-on count of 2 stitches.  

• Row 1 (WS): Kfb, k1 (3 sts).
• Row 2: Kfb, knit (4 sts).
• Row 3: Kfb, knit (5 sts).
• Row 4: Kfb, knit (6 sts).
• Row 5: Kfb, knit (7 sts).
• Row 6: Kfb, knit (8 sts).
• Row 7: BO 3 sts, kfb, knit (6 sts).
• Rows 8, 10, and 12: K1, kfb, knit (1 more st).
• Rows 9 and 11: Sl1 wyif, kfb, knit (1 more st).
• Row 13: BO 4 sts, kfb, knit (3 fewer sts).
• Repeat rows 8-13.