Herringbone Slip Stitch Pattern

Pattern
Cast on a multiple of 4 stitches, plus 2.
Row 1 (RS): K2, *Slip 2 wyif, K2; rep from * to end.
Row 2 (WS): P1, *Slip 2 wyib, P2; rep from * to last st, p1.
Row 3: Slip 2 wyif, *K2, Slip 2 wyif; rep from *to end.
Row 4: P3, *Slip 2 wyib, P2; rep from * to last 3 sts, Slip 2 wyib, P1.
Rows 5-12: Repeat rows 1-4 twice.
Row 13: Slip 2 wyif, *Knit 2, Slip 2 wyif; rep from *.
Row 14: K2, *Slip 2 wyif, K2; rep from * to end.
Row 15: K2, *Slip 2 wyif, K2; rep from * to end.
Row 16: P3, *Slip 2 wyib, P2; rep from * to last 3 sts, Slip 2 wyib, P1.
Rows 17-24: Repeat rows 13-16 twice.
Rep Rows 1-24.