Row 1: K4, C2F, C2B, K4
Row 2 and alternate: Purl
Where I'm stuck is how to front and back without stitches in between...
Why do you need sts in between?
As written, these directions cover 10 sts: Knit4, Cable2, Cable2, Knit4.
You have two cables, 2sts each, crossing in opposite directions (one front, one back). The cables don't cross each other and there are no sts between them.