Shown with a cast-on count of 19 stitches.  

• Rows 1, 3, 5, 7, 9, and 11 (WS): Knit to last 4 sts, yo, k2tog, k2.
• Row 2: Sl1 wyif, k1, yo, k2tog, k3, [yo, ssk] twice, k4, ssk, yo, ssk (18 sts).
• Row 4: Sl1 wyif, k1, yo, k2tog, k4, [yo, ssk] twice, k2, ssk, yo, ssk (17 sts).
• Row 6: Sl1 wyif, k1, yo, k2tog, k5, [yo, ssk] twice, ssk, yo, ssk (16 sts).
• Row 8: Sl1 wyif, k1, yo, k2tog, k4, [yo, ssk] twice, k1, yo, ssk, yo, knit (17 sts).
• Row 10: Sl1 wyif, k1, yo, k2tog, k3, [yo, ssk] twice, k3, yo, ssk, yo, knit (18 sts).
• Row 12: Sl1 wyif, k1, yo, k2tog, k2, [yo, ssk] twice, k5, yo, ssk, yo, knit (19 sts).