Brick Slip Stitch Pattern

Pattern
Cast on a multiple of 6 stitches, plus3.
Row 1 (RS): Color A, Knit.
Row 2 (WS): Color A, Purl.
Rows 3, and 5: Color B, K4, *SL1 wyib, K5; rep from * to last 5 sts, SL1 wyib, K4.
Rows 4, and 6: Color B, K4, *SL1 wyif, K5; rep from * to last 5 sts, SL1 wyif, K4.
Row 7: Color A, Knit.
Row 8: Color A, Purl.
Rows 9, and 11: Color B, K1, *SL1 wyib, K5; rep from * to last 2 sts, SL1 wyib, K1.
Rows 10, and 12: Color B, K1, *SL1 wyif, K5; rep from * to last 2 sts, SL1 wyif, K1.
Rep Rows 1-12.