Shown with a cast-on count of 15 stitches.  

• Row 1 (WS): P15.
• Rows 2 and 20: K14, turn (14 sts).
• Rows 3 and 19: P13, turn (13 sts).
• Rows 4 and 18: K12, turn (12 sts).
• Row 5: P10, turn (10 sts).
• Row 6: K9, turn (9 sts).
• Row 7: P8, turn (8 sts).
• Row 8: K7, turn (7 sts).
• Row 9: P6, turn (6 sts).
• Rows 10 and 16: K10, turn (10 sts).
• Rows 11 and 21: P15, turn (15 sts).
• Row 12: K11, turn (11 sts).
• Row 13: P7, turn (7 sts).
• Row 14: K8, turn (8 sts).
• Row 15: P9, turn (9 sts).
• Row 17: P11, turn (11 sts).