Shown with a cast-on count of 27 stitches.  

• Rows 1 and 7 (RS): K27.
• Rows 2 and 8: P27.
• Row 3: K4, sl1 wyib, [k5, sl1 wyib] 3 times, k4.
• Rows 4 and 6: K4, sl1 wyif, [k5, sl1 wyif] 3 times, k4.
• Row 5: P4, sl1 wyib, [p5, sl1 wyib] 3 times, p4.
• Row 9: K1, sl1 wyib, [k5, sl1 wyib] 4 times, k1.
• Rows 10 and 12: K1, sl1 wyif, [k5, sl1 wyif] 4 times, k1.
• Row 11: P1, sl1 wyib, [p5, sl1 wyib] 4 times, p1.