Shown with a cast-on count of 4 stitches.  

• Row 1 (RS): K4.
• Row 2: P4.
• Row 3: P1, k1, M1L, k1, p1 (5 sts).
• Row 4: K1, M1L, p1, M1L, p1, M1L, p1, M1L, k1 (9 sts).
• Row 5: P2, k1, p1, k1, p1, k1, p2.
• Row 6: K2, p1, k1, M1L, p1, M1L, k1, p1, k2 (11 sts).
• Row 7: P2, k1, p2, k1, p2, k1, p2.
• Row 8: K2, M1L, p1, k2, M1L, p1, M1L, k2, p1, M1L, k2 (15 sts).
• Row 9: P3, k1, p3, k1, p3, k1, p3.