Shown with a cast-on count of 3 stitches.  

• Row 1 (RS): K1, yo, kfb, yo, k1 (6 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 22: Sl1 wyif, purl to last st, sl1 wyif.
• Row 3: K1, yo, kfb, knit to last 3 sts, ssk, k1 (7 sts).
• Row 5: K1, yo, kfb, knit to last 3 sts, ssk, k1 (8 sts).
• Row 7: K1, yo, kfb, knit to last 3 sts, ssk, k1 (9 sts).
• Row 9: K1, yo, kfb, knit to last 3 sts, ssk, k1 (10 sts).
• Row 11: K1, yo, kfb, knit to last 3 sts, ssk, k1 (11 sts).
• Row 13: K1, yo, kfb, knit to last 3 sts, ssk, k1 (12 sts).
• Row 15: K1, yo, kfb, knit to last 3 sts, ssk, k1 (13 sts).
• Row 17: K1, yo, kfb, knit to last 3 sts, ssk, k1 (14 sts).
• Row 19: K1, yo, kfb, knit to last 3 sts, ssk, k1 (15 sts).
• Row 21: K1, yo, kfb, knit to last 3 sts, ssk, k1 (16 sts).