Shown with a cast-on count of 24 stitches.  

• Row 1 (RS): K1, *k8, sl1 wyib, k1, sl1 wyib, repeat from * to last st, k1.
• Rows 2 and 24: P1, *sl1 wyif, p1, sl1 wyif, p8, repeat from * to last st, p1.
• Row 3: K1, *k7, sl1 wyib, dip st, sl1 wyib, dip st, repeat from * to last st, k1.
• Row 4: P1, *p1, sl1 wyif, p1, sl1 wyif, p7, repeat from * to last st, p1.
• Row 5: K1, *k6, sl1 wyib, dip st, sl1 wyib, dip st, k1, repeat from * to last st, k1.
• Row 6: P1, *p2, sl1 wyif, p1, sl1 wyif, p6, repeat from * to last st, p1.
• Row 7: K1, *k5, sl1 wyib, dip st, sl1 wyib, dip st, k2, repeat from * to last st, k1.
• Row 8: P1, *p3, sl1 wyif, p1, sl1 wyif, p5, repeat from * to last st, p1.
• Row 9: K1, *k4, sl1 wyib, dip st, sl1 wyib, dip st, k3, repeat from * to last st, k1.
• Row 10: P1, *p4, sl1 wyif, p1, sl1 wyif, p4, repeat from * to last st, p1.
• Row 11: K1, *k3, sl1 wyib, dip st, sl1 wyib, dip st, k4, repeat from * to last st, k1.
• Row 12: P1, *p5, sl1 wyif, p1, sl1 wyif, p3, repeat from * to last st, p1.
• Row 13: K1, *k2, sl1 wyib, dip st, sl1 wyib, dip st, k5, repeat from * to last st, k1.
• Row 14: P1, *p6, sl1 wyif, p1, sl1 wyif, p2, repeat from * to last st, p1.
• Row 15: K1, *k1, sl1 wyib, dip st, sl1 wyib, dip st, k6, repeat from * to last st, k1.
• Row 16: P1, *p7, sl1 wyif, p1, sl1 wyif, p1, repeat from * to last st, p1.
• Row 17: K1, *sl1 wyib, dip st, sl1 wyib, dip st, k7, repeat from * to last st, k1.
• Row 18: P1, *p8, sl1 wyif, p1, sl1 wyif, repeat from * to last st, p1.
• Row 19: K1, *dip st, sl1 wyib, dip st, k7, sl1 wyib, repeat from * to last st, k1.
• Row 20: P1, *sl1 wyif, p8, sl1 wyif, p1, repeat from * to last st, p1.
• Row 21: K1, *sl1 wyib, dip st, k7, sl1 wyib, dip st, repeat from * to last st, k1.
• Row 22: P1, *p1, sl1 wyif, p8, sl1 wyif, repeat from * to last st, p1.
• Row 23: K1, *dip st, k7, sl1 wyib, dip st, sl1 wyib, repeat from * to last st, k1.
• Repeat rows 3-24.