https://newstitchaday.com/how-to-knit-the-two-color-plaited-basketweave-stitch/
Cast On: Multiples of 3
Prep Row: Color A – Knit Row 1 (WS): Color B – P3, sl 1, wyif, p2; rep from * Row 2: K2, drop next (color A) st off needle to front of work, k2, then with point of left-hand needle pick up dropped st and slip it onto right-hand needle without working; rep from , end k1 Row 3: Color A – P2, sl 1 wyif; rep from , end p3 Row 4: …
https://newstitchaday.com/how-to-knit-the-two-color-plaited-basketweave-stitch/
Cast On: Multiples of 3
Prep Row: Color A – Knit Row 1 (WS): Color B – P3, sl 1, wyif, p2; rep from * Row 2: K2, drop next (color A) st off needle to front of work, k2, then with point of left-hand needle pick up dropped st and slip it onto right-hand needle without working; rep from , end k1 Row 3: Color A – P2, sl 1 wyif; rep from , end p3 Row 4: K1, sl 2 wyib, drop next (color B) st off needle to front of work, sl the same 2 sts back to left-hand needle, pick up dropped st onto right-hand needle without working, k2; rep from *, end k2. Repeat rows 1-4 until you have reached your desired length.
Shown with a cast-on count of 9 stitches.