Ballband Slip Stitch Pattern

Pattern
Ballband stitch also known as Brick stitch, Brick wall stitch.
Cast on a multiple of 6 sts, plus 3.
Row 1 (RS): Color A, knit.
Row 2 (WS): Color A, purl.
Row 3: Color B, K4, *Slip 1 wyib, K5; rep from * to last 5 sts, Slip 1 wyib, K4.
Row 4: Color B, K4, *Slip 1 wyif, K5; rep from * to last 5 sts, Slip 1 wyif, K4.
Row 5: Color B, P4, *Slip 1 wyib, P5; rep from * to last 5 sts, Slip 1 wyib, P4.
Row 6: Color B, K4, *Slip 1 wyif, K5; rep from * to last 5 sts, Slip 1 wyif, K4.
Row 7: Color A, knit.
Row 8: Color A, purl.
Row 9: Color B, K1, *Slip 1 wyib, K5; rep from * to last 2 sts, Slip 1 wyib, K1.
Row 10: Color B, K1, *Slip 1 wyif, K5; rep from * to last 2 sts, Slip 1 wyif, K1.
Row 11: Color B, P1, *Slip 1 wyib, P5; rep from * to last 2 sts, Slip 1 wyib, P1.
Row 12: Color B, K1, *Slip 1 wyif, K5; rep from * to last 2 sts, Slip 1 wyif, K1.
Rep Rows 1-12.