Swiss Check - Very nice stitc and use Slip stitch method

Color A, cast on a multiple of 4, + 1 and  work 2 rows in stocking stitch.
Row 1 – RS: Color B, k1, sl 1 wyib, k1, * sl 3, k1; rep from * to last 2 sts, sl 1 wyib, k1.
Row 2: Color B, p4,  * sl 1 wyif, p3; rep from *to last st, p1.
Row 3: Color A, k2, * sl 1 wyib, k3; rep from *to last 3 sts, sl 1 wyib, k2.
Row 4: Color A, purl.
Row 5: Color B, k1, * sl 3 wyib, k1; rep from * to end.
Row 6: Color B, p2, * sl 1 wyif, p3; rep from * to last 3 sts, sl 1 wyib, p2.
Row 7: Color A, k4, * sl 1 wyib, k3; rep from * to last st, k1.
Row 8: Color A, purl.
Repeat Rows 1 - 8.

Knitting abbreviations:
K: Knit | P: Purl | Sl: Slip stitch
Wyif: With yarn in front | Wyib: With yarn in back.