Slip Stitch Knitting 21: Lattice

PATTERN
Cast on a multiple of 6, +2.
Rows 1, and 3 (RS): Color A, k1, sl 1 wyib , k4, *sl 2 wyib, k4, repeat from * to last 2 sts, sl 1 wyib, k1.
Row 2: Color A, p1, sl 1 wyif, p4, *sl 2 wyif, p4, repeat from * to last 2 sts, sl 1 wyif, p1.
Row 4: Color B, k1, sl 1 wyif, k4, *sl 2 wyif, k4, repeat from * to last 2 sts, sl 1 wyif, k1.
Rows 5, and 7: Color A, k3, *sl 2 wyib, k4, repeat from * to last 5 sts, sl 2 wyib, k3.
Row 6: Color A, p3, *sl 2 wyif, p4, repeat from * to last 5 sts, sl 2 wyif, p3.
Row 8: Color B, k3, *sl 2 wyif, k4, repeat from * to last 5 sts, sl 2 wyif, k3.
Repeat rows 1-8.