Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): K1, k2tog, yo, k4, k1, k2tog, yo, k1, yo, ssk, k1, k4, yo, ssk, k1.
• Rows 2, 4, 6, 8, 10, 12, and 14: Purl.
• Row 3: K2tog, yo, k5, k2tog, yo, k3, yo, ssk, k5, yo, ssk.
• Row 5: K6, k2tog, yo, k5, yo, ssk, k6.
• Row 7: K5, k2tog, yo, k7, yo, ssk, k5.
• Row 9: K4, k2tog, yo, k1, yo, ssk, k3, k2tog, yo, k1, yo, ssk, k4.
• Row 11: K3, k2tog, yo, k2, k1, yo, ssk, k1, k2tog, yo, k1, k2, yo, ssk, k3.
• Row 13: K2, k2tog, yo, k3, k2, yo, sl2-k1-p2sso, yo, k2, k3, yo, ssk, k2.