Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): *[Ssk, yo, k1, yo, k2tog] twice, repeat from *.
• Rows 2, 4, and 8: *[P1, k1] twice, p1, repeat from *.
• Rows 3 and 7: *K1, yo, k3tog, yo, k2, yo, k3tog tbl, yo, k1, repeat from *.
• Row 5: *K2, yo, k3tog, yo, k3tog tbl, yo, k2, repeat from * (multiple of 9 sts).
• Row 6: *P2, k1, p1, (k1, p1) in next st, p1, k1, p2, repeat from * (multiple of 10 sts).