Shown with a cast-on count of 1 stitch.  

• Row 1 (RS): Yo, kfb, yo (4 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 22: Purl.
• Row 3: Yo, knit, yo (6 sts).
• Row 5: Yo, k1, k2tog, yo, yo, ssk, k1, yo (8 sts).
• Row 7: Yo, k2, yo, ssk, k2tog, yo, k2, yo (10 sts).
• Row 9: Yo, knit, yo (12 sts).
• Row 11: Yo, k4, k2tog, yo, yo, ssk, k4, yo (14 sts).
• Row 13: Yo, k2tog, yo, yo, ssk, k1, yo, ssk, k2tog, yo, k1, k2tog, yo, yo, ssk, yo (16 sts).
• Row 15: Yo, k1, yo, ssk, k2tog, yo, k6, yo, ssk, k2tog, yo, k1, yo (18 sts).
• Row 17: Yo, k7, k2tog, yo, yo, ssk, k7, yo (20 sts).
• Row 19: Yo, k3, yo, ssk, k2tog, yo, k1, k2tog, yo, yo, ssk, k1, yo, ssk, k2tog, yo, k3, yo (22 sts).
• Row 21: Yo, k4, k2tog, yo, yo, ssk, k1, yo, ssk, k2tog, yo, k1, k2tog, yo, yo, ssk, k4, yo (24 sts).