Shown with a cast-on count of 10 stitches.  

• Row 1 (RS): K9, kfb (11 sts).
• Row 2: Kfb, k4, w&t (6 sts).
• Row 3: K5, kfb (7 sts).
• Row 4: Kfb, k5, w&t.
• Row 5: K6, kfb (8 sts).
• Row 6: Kfb, k6, w&t.
• Row 7: K7, kfb (9 sts).
• Row 8: Kfb, k7, w&t.
• Row 9: K8, kfb (10 sts).
• Row 10: Kfb, k8, w&t.
• Row 11: K8, ssk (9 sts).
• Row 12: Ssk, k8, w&t.
• Row 13: K7, ssk (8 sts).
• Row 14: Ssk, k7, w&t.
• Row 15: K6, ssk (7 sts).
• Row 16: Ssk, k6, w&t.
• Row 17: K5, ssk (6 sts).
• Row 18: Ssk, k5, w&t.
• Row 19: K4, ssk (5 sts).
• Row 20: Ssk, k9 (10 sts).