For example, imagine the following:










Now, if all these rocks were CEs, and the player entered one of them. I would like those before (i.e. those placed at a more top-left position) the entered to become something, and those after to become something else. For example, if the player enters the 3rd from left, this would result in something like:










I just can't think of how to fix this using CEs.
I will use it for a new type of teleportation when I get this working