Shown with a cast-on count of 15 stitches.  

• Rows 1, 7, 11, and 17 (RS): *Sl3 wyif, k3, repeat from * to last 3 sts, sl3 wyif.
• Rows 2, 8, and 16: Sl2 wyif, p1, *p2, sl3 wyib, p1, repeat from *.
• Rows 3, 9, and 15: *K2, sl3 wyif, k1, repeat from * to last 3 sts, k2, sl1 wyif.
• Rows 4, 10, 14, and 20: P3, *sl3 wyib, p3, repeat from *.
• Rows 5, 13, and 19: *Sl1 wyif, k3, sl2 wyif, repeat from * to last 3 sts, sl1 wyif, k2.
• Rows 6, 12, and 18: P1, sl2 wyib, *sl1 wyib, p3, sl2 wyib, repeat from *.