Shown with a cast-on count of 11 stitches.  

• Rows 1 and 5 (RS): *K1, k2tog, yo, k2tog tbl, repeat from * to last st, k1 (multiple of 4 sts, plus 1).
• Rows 2 and 6: P1, *p1, (k1, p1) in next st, p2, repeat from * (multiple of 5 sts, plus 1).
• Rows 3 and 7: K1, *k2tog, yo, k2tog tbl, k1, repeat from * (multiple of 4 sts, plus 1).
• Rows 4 and 8: *P2, (k1, p1) in next st, p1, repeat from * to last st, p1 (multiple of 5 sts, plus 1).
• Rows 9 and 11: Knit.
• Rows 10 and 12: Purl.