ups and downs

Shown with a cast-on count of 13 stitches.   Getting chart...

  • Row 1 (WS): Sl1 wyib, k1, p1, *k3, p1, repeat from * to last 2 sts, k1, p1.
  • Rows 2 and 4: Sl1 wyib, knit to last st, p1.
  • Row 3: Sl1 wyib, *k3, p1, repeat from *.