Shown with a cast-on count of 15 stitches.  

• Row 1 (RS): K2, yo, p2tog, k7, yo, k2tog, k2.
• Rows 2, 4, 6, 8, 10, 12, and 14: Purl to last 4 sts, yo, p2tog, k2.
• Row 3: K2, yo, p2tog, k3, k2tog, k2, yo, k2tog, yo, k2tog (14 sts).
• Row 5: K2, yo, p2tog, k2, k2tog, k2, yo, k2tog, k2 (13 sts).
• Row 7: K2, yo, p2tog, k1, k2tog, k2, yo, k2tog, yo, k2tog (12 sts).
• Row 9: K2, yo, p2tog, k2tog, k2, yo, k1, yo, k3 (13 sts).
• Row 11: K2, yo, p2tog, k2tog, k1, yo, k3, yo, k1, yo, k2tog (14 sts).
• Row 13: K2, yo, p2tog, k2tog, yo, k5, yo, k3 (15 sts).