Shown with a cast-on count of 12 stitches.  

• Row 1 (RS): K2, [yo, k2tog] twice, yo, k1, k2tog, yo, k3 (13 sts).
• Rows 2, 4, 6, 8, 10, and 12: K1, k2tog, yo, k2, knit.
• Row 3: K2, [yo, k2tog] twice, yo, k2, k2tog, yo, k3 (14 sts).
• Row 5: K2, [yo, k2tog] twice, yo, k3, k2tog, yo, k3 (15 sts).
• Row 7: K2, [yo, k2tog] twice, yo, k4, k2tog, yo, k3 (16 sts).
• Row 9: K2, [yo, k2tog] twice, yo, k5, k2tog, yo, k3 (17 sts).
• Row 11: BO 5 sts, k6, k2tog, yo, k3 (12 sts).