The Caruso is not one of the bowls that use a unift.
You do realize that there are three unifits, and they they need a bowl that uses them. In your case, the 14" unift would move the bowl closer to the wall 2"
There is no such thing as a 14" bowl.
That is way something like a unifit is used to move the bowl back closer to the wall.
You can't use these with just any toilet. The bowl has to be designed to work with them. The one on the right is the 14"