Shown with a cast-on count of 24 stitches.  

• Rows 1 and 3 (RS): *K1, yo, k2tog, k3, k3, ssk, yo, k1, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, and 14: Purl.
• Rows 5 and 7: *K4, yo, k2tog, ssk, yo, k4, repeat from *.
• Row 9: *K1, yo, k2tog, k3, k3, ssk, k1, yo, repeat from *.
• Row 11: *Yo, k2tog, k4, k4, ssk, yo, repeat from *.
• Row 13: *K3, ssk, yo, k1, k1, yo, k2tog, k3, repeat from *.