Repeat Rows 1 - 2.
Row #SideBegin RowRepeatRepeat From *End Row
1WSl 1, k1 *PM3, k1 *k1
2RSl 1 *purl *k1
  Additional Instructions and Notes
PM3insert needle into next 3 stitches purlwise, p1, k1, p1 into these 3 stitches