Shown with a cast-on count of 0 stitches.  

• Row 0 (RS): CO 18 sts (18 sts).
• Row 1: P18.
• Row 2: K2, incL, k14, incR, k2 (20 sts).
• Row 3: P20.
• Row 4: K1, incR, k2, incL, k1, incL, k12, incR, k1, incR, k2, incL, k1 (26 sts).
• Row 5: P26.
• Row 6: K1, incR, k1, incR, k2, incL, k2, incL, k14, incR, k2, incR, k2, incL, k1, incL, k1 (34 sts).
• Row 7: P34.
• Row 8: K2, incR, k2, incR, k2, incL, k3, incL, k16, incR, k3, incR, k2, incL, k2, incL, k2 (42 sts).
• Row 9: P42.
• Row 10: K3, incR, k3, incR, k2, incL, k4, incL, k18, incR, k4, incR, k2, incL, k3, incL, k3 (50 sts).
• Row 11: P50.
• Row 12: K4, incR, k4, incR, k2, incL, k5, incL, k20, incR, k5, incR, k2, incL, k4, incL, k4 (58 sts).
• Row 13: P58.
• Row 14: K5, incR, k5, incR, k2, incL, k6, incL, k22, incR, k6, incR, k2, incL, k5, incL, k5 (66 sts).