Shown with a cast-on count of 11 stitches.  

• Row 1 (RS): K5, M1L, k1, M1L, knit (13 sts).
• Rows 2, 4, 6, 8, 10, 12, and 14: Knit.
• Row 3: [Kfb, k1] 3 times, M1L, k1, M1L, [k1, kfb] 3 times (21 sts).
• Row 5: K10, M1L, k1, M1L, knit (23 sts).
• Row 7: K1, [kfb, k1] 5 times, M1L, k1, M1L, [k1, kfb] 5 times, knit (35 sts).
• Row 9: K17, M1L, k1, M1L, knit (37 sts).
• Row 11: K6, [kfb, k1] 6 times, M1L, k1, M1L, [k1, kfb] 6 times, knit (51 sts).
• Row 13: Knit.