If you continue to have questions that I don't address here, feel free to send me email at
addventure@addventure.com
(If that isn't an ugly diagram, I don't know what is.)
The answer is: "you can't". It's not possible to link to rooms that haven't been created yet, and no matter which room you try to link to first, the other rooms won't exist yet.
The way around this is to create intermediate ${RoomW}s, let's call them D, E, and F, that are children of the respective ${RoomW}s. Each one of these lead to the other two base ${RoomW}s. So: D links to B and C, E links to A and C, and F links to A and B. (See diagram.)
(Well... there's an uglier one.)
This works because A, B, and C will all be created first as rooms that may be linked to. When you create D, E, and F you can link to A, B, or C since they have linking enabled..
It always bothered me that people seemed to want to end a game more than they wanted to continue it. I pretty firmly beleive that most stories are still good if you talk about what happens after "happily ever after".
If you're insistent on wanting to end the game, you can always backlink to another room (if the game allows it) which will essentially start the reader/player over.