Shown with a cast-on count of 15 stitches.  

• Rows 1, 3, 9, and 11 (RS): *K3, p3, repeat from * to last 3 sts, k3.
• Rows 2 and 10: P3, *k3, p3, repeat from *.
• Rows 4 and 12: *Yo, p3tog, yo, p3, repeat from * to last 3 sts, yo, p3tog, yo.
• Rows 5 and 7: *P3, k3, repeat from * to last 3 sts, p3.
• Row 6: K3, *p3, k3, repeat from *.
• Row 8: *P3, yo, p3tog, yo, repeat from * to last 3 sts, p3.
• Repeat rows 1-8.