Shown with a cast-on count of 24 stitches.  

• Row 1 (WS): K4, *k4, p4, repeat from * to last 4 sts, k4.
• Row 2: K4, *k4, 2/2 LC, repeat from * to last 4 sts, k4.
• Rows 3, 5, 7, 9, 11, and 13: K8, *p2, k6, repeat from *.
• Rows 4, 6, 8, 10, 12, 14, 16, 22, 24, and 26: Knit.
• Rows 15, 17, 19, 21, 23, and 25: Purl.
• Row 18: K4, *2/2 LC, k4, repeat from * to last 4 sts, k4.
• Row 20: K4, *k4, 2/2 RC, repeat from * to last 4 sts, k4.