I live in an apartment, in which there are 23 floors tall. I live in an apartment in which there are 23 floors.

There are three bedrooms, one big living room, and onea kitchen in my apartment. There are three bedrooms, one big living room, and a kitchen in my apartment.

From the centerIf you were to stand in the middle, the living room iswould be to the south and the kitchen is to the north. If you were to stand in the middle, the living room would be to the south and the kitchen to the north.

One bedroom is for my three sons, whose desks are there. One bedroom is for my three sons, whose desks are there.

Another one, which is the smallest room, was originally for guests, but I usually use it as my restroom. Another one, which is the smallest room, was originally for guests, but I usually use it as my restroom.

This sentence sounds a little odd. I don't know if you meant it like this, but it sounds like you're saying that you use your smallest bedroom as a restroom, which is another word for bathroom.

To the right of the living room, there is a middle side room in the middle which is for my wife and me. To the right of the living room, there is a side room in the middle which is for my wife and me.

TIn there are many books and our two computers for us. In there are many books and our two computers.

If I have acould change, I things, I would want to move to a bigger apartment, where that has four rooms. If I could change things, I would want to move to a bigger apartment that has four rooms.

Because allthat way, each of my sons want tocould have their own rooms, which they want. Because that way, each of my sons could have their own rooms, which they want.