Shown with a cast-on count of 6 stitches.  

• Row 1 (RS): K2, p2, k2.
• Row 2: P2, k2, p2.
• Row 3: K2, p1, M1R, p1, k2 (7 sts).
• Row 4: P2, k1, p1, k1, p2.
• Row 5: K2, p1, M1L, k1, M1R, p1, k2 (9 sts).
• Row 6: P2, k2, p1, k2, p2.
• Row 7: K2, p1, k1, M1L, k1, M1R, k1, p1, k2 (11 sts).
• Row 8: P2, k3, p1, k3, p2.
• Row 9: K2, p1, k2, M1L, k1, M1R, k2, p1, k2 (13 sts).