Shown with a cast-on count of 12 stitches.  

• Rows 1 and 3 (RS): *K2, yo, k1, ssk, repeat from * to last 2 sts, k2.
• Rows 2 and 4: *P4, k1, repeat from * to last 2 sts, p2.
• Rows 5 and 11: K1, *k1, yo, k3tog, yo, k1, repeat from * to last st, k1.
• Rows 6 and 12: P1, *[p1, k1] twice, p1, repeat from * to last st, p1.
• Rows 7 and 9: *K2, ssk, k1, yo, repeat from * to last 2 sts, k2.
• Rows 8 and 10: P2, *k1, p4, repeat from *.