Repeat Rows 1 - 4
Row #SideBegin RowRepeatRepeat From *End Row
1W*purl* 
2Rp1*sl 1 wyib, p1* 
3W*purl* 
4Rp2*sl 1 wyib, p1*p1
  Row: 4
Row: 3  
  Row: 2
Row: 1