Row #SideBegin RowRepeatRepeat From *End Row
1R*knit* 
2W*p2 tog, but do not slip from needle, then purl the first stitch again, and slip both stitches from needle together * 
3R*knit* 
4WP1*p2 tog, but do not slip from needle, then purl the first stich again, and slip both stitches from needle together *p1