Shown with a cast-on count of 31 stitches.  

• Rows 1 and 5 (RS): K1, k2tog, yo, k1, yo, ssk, [k7, k2tog, yo, k1, yo, ssk] twice, k1.
• Rows 2, 4, 6, 8, 10, and 12: P31.
• Row 3: K2tog, yo, k3, yo, ssk, [k5, k2tog, yo, k3, yo, ssk] twice.
• Rows 7 and 11: [K7, k2tog, yo, k1, yo, ssk] twice, k7.
• Row 9: K1, [k5, k2tog, yo, k3, yo, ssk] twice, k6.