Shown with a cast-on count of 0 stitches.  

• Row 0 (RS): CO 13 sts (13 sts).
• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, and 27: Purl.
• Row 2: K2, incL, k3, incL, k3, incR, k3, incR, k2 (17 sts).
• Row 4: K4, incL, k3, incL, k3, incR, k3, incR, k4 (21 sts).
• Row 6: K6, incL, k3, incL, k3, incR, k3, incR, k6 (25 sts).
• Row 8: K8, incL, k3, incL, k3, incR, k3, incR, k8 (29 sts).
• Row 10: K10, incL, k3, incL, k3, incR, k3, incR, k10 (33 sts).
• Row 12: K12, incL, k3, incL, k3, incR, k3, incR, k12 (37 sts).
• Row 14: K14, incL, k3, incL, k3, incR, k3, incR, k14 (41 sts).
• Row 16: K16, incL, k3, incL, k3, incR, k3, incR, k16 (45 sts).
• Row 18: K18, incL, k3, incL, k3, incR, k3, incR, knit (49 sts).
• Row 20: K20, incL, k3, incL, k3, incR, k3, incR, k20 (53 sts).
• Row 22: K22, incL, k3, incL, k3, incR, k3, incR, k22 (57 sts).
• Row 24: K24, incL, k3, incL, k3, incR, k3, incR, k24 (61 sts).
• Row 26: K26, incL, k3, incL, k3, incR, k3, incR, k26 (65 sts).