Shown with a cast-on count of 13 stitches.  

• Rows 1 and 25 (RS): K13.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, and 24: Knit.
• Row 3: K11, turn (11 sts).
• Row 5: K9, turn (9 sts).
• Row 7: K7, turn (7 sts).
• Row 9: K5, turn (5 sts).
• Row 11: K3, turn (3 sts).
• Row 13: K4, turn (4 sts).
• Row 15: K6, turn (6 sts).
• Row 17: K8, turn (8 sts).
• Row 19: K10, turn (10 sts).
• Row 21: K12, turn (12 sts).
• Row 23: K13, turn (13 sts).