Shown with a cast-on count of 15 stitches.  

• Row 1 (RS): K2tog, k5, yo, knit to last 7 sts, yo, k5, ssk.
• Rows 2, 4, 6, 8, 10, and 12: P15.
• Row 3: K2tog, k4, yo, k3, yo, k4, ssk.
• Row 5: K2tog, k3, yo, k1, yo, k3tog, yo, k1, yo, k3, ssk.
• Row 7: K2tog, k2, yo, k7, yo, k2, ssk.
• Row 9: K2tog, k1, yo, k1, yo, k3tog, yo, k1, yo, k3tog, yo, k1, yo, k1, ssk.
• Row 11: K2tog, yo, k11, yo, ssk.