Shown with a cast-on count of 15 stitches.  

• Rows 1 and 3 (RS): *P3, k3, repeat from * to last 3 sts, p3.
• Rows 2 and 4: *K3, p3, repeat from * to last 3 sts, k3.
• Row 5: *P2tog, yo, p1, k3, repeat from * to last 3 sts, p2tog, yo, p1.
• Row 6: *P3, p2tog, yo, p1, repeat from * to last 3 sts, p3.
• Rows 7 and 9: *K3, p3, repeat from * to last 3 sts, k3.
• Rows 8 and 10: *P3, k3, repeat from * to last 3 sts, p3.
• Row 11: *K2tog, yo, k1, p3, repeat from * to last 3 sts, k2tog, yo, k1.
• Row 12: *P3, k2tog, yo, k1, repeat from * to last 3 sts, p3.