Shown with a cast-on count of 18 stitches.  

• Row 1 (RS): P2, *k2, p4, repeat from * to last 4 sts, k2, p2.
• Rows 2 and 8: K2, *p2, k4, repeat from * to last 4 sts, p2, k2.
• Row 3: *1/2 RPC, 1/2 LPC, repeat from *.
• Rows 4 and 6: P1, *k4, p2, repeat from * to last 5 sts, k4, p1.
• Row 5: K1, *p4, k2, repeat from * to last 5 sts, p4, k1.
• Row 7: *1/2 LPC, 1/2 RPC, repeat from *.