Color A, cast on a multiple of 6,+ 3 sts.
Row 1 – WS: Color A, p2, * sl 5 wyib, p1; rep from * to last st, p1.
Row 2 – RS: Color B, knit.
Row 3: Color B, purl.
Row 4: Color A, k1, sl 3 wyib, k1 uls, * sl 5 wyib, k1 uls; rep from * to last 4 sts, sl 3 wyib, k1.
Row 5: Color A, p1, sl 3 wyib, p1, * sl 5 wyib, p1; rep from * to last 4 sts, sl 3 wyib, p1.
Row 6: Color B, knit.
Row 7: Color B, purl.
Row 8: Color A, k1, k1 uls, * sl 5 wyib, k1 uls; rep from * to last st, k1.
Repeat Rows 1 – 8.

Knitting abbreviations:
K: Knit | P: Purl | SL: Slip stitch purlwise.
WYIF: With yarn in front | WYIB: With yarn in back.
K1 uls: Knit 1 under loose strand.
– Insert right needle under loose strand, knit next st and bring completed stitch out under the loose strand to catch strand behind stitch.