Shown with a cast-on count of 9 stitches.  

• Row 1 (RS): K2, MK, k3, MK, k2.
• Row 2: P2, MK, p3, MK, p2.
• Row 3: K1, kfb, MK, kfb, k1, kfb, MK, kfb, k1 (13 sts).
• Row 4: P2, pfb, MK, purl to last 4 sts, MK, pfb, p2 (15 sts).
• Row 5: K3, kfb, MK, kfb, k3, kfb, MK, kfb, k3 (19 sts).
• Row 6: P4, pfb, MK, purl to last 6 sts, MK, pfb, p4 (21 sts).