Shown with a cast-on count of 12 stitches.  

• Row 1 (RS): *P3, (k1, yo, k1) in next st, repeat from * (multiple of 6 sts).
• Row 2: *P3, k3, repeat from *.
• Row 3: *P3, k3, repeat from *.
• Row 4: *P3tog, k3, repeat from * (multiple of 4 sts).
• Rows 5 and 11: Purl.
• Rows 6 and 12: Knit.
• Row 7: *P1, (k1, yo, k1) in next st, p2, repeat from * (multiple of 6 sts).
• Row 8: K2, *p3, k3, repeat from * to last 4 sts, p3, k1.
• Row 9: P1, *k3, p3, repeat from * to last 5 sts, k3, p2.
• Row 10: K2, *p3tog, k3, repeat from * to last 4 sts, p3tog, k1 (multiple of 4 sts, plus 4).