Shown with a cast-on count of 13 stitches.  

• Row 1 (WS): Purl.
• Row 2: K4, k2tog, yo, k1, yo, ssk, k4.
• Row 4: K3, k2tog, yo, k3, yo, ssk, k3.
• Row 6: K2, k2tog, yo, k5, yo, ssk, k2.
• Row 8: K1, k2tog, yo, k7, yo, ssk, k1.
• Row 10: K1, yo, ssk, k7, k2tog, yo, k1.
• Row 12: K2, yo, ssk, k5, k2tog, yo, k2.
• Row 14: K3, yo, ssk, k3, k2tog, yo, k3.
• Row 16: K4, yo, ssk, k1, k2tog, yo, k4.
• Row 18: K5, yo, sl2-k1-p2sso, yo, k5.