separate something into something

He hadn't yet separated them into left and right hands.

If so, why are they separated into male and female?

The women are separated into various groups making different products.

However, the approach most scientists actually follow is to separate the problem into two parts.

The students are separated into four classes from the beginning.

The station is separated into an east and a west section.

The first step was about separating all of human experience into major fields.

It was during this period where the idea to separate into their own group formed.

The large space is separated into a number of rooms.