Pillar Openwork Textured Pattern

Pattern
Cast on a multiple of 4 sts, plus 1.
Row 1 (RS): Knit.
Row 2: *Purl 4, yarn over; rep from * to last st, P1.
Row 3: Knit 1, *drop yarn over from previous row, yarn over, Slip  1, Knit 3, pass slipped stitch over; rep from * to end.
Row 4: Purl.
Rep Rows 1-4.