With AMIS, which ever Unity node owns the AMIS delivery location is that one that sends the messages out.
So in your situation, a message from a subscriber on 333 to a subscriber on 111 will go out from 222 because 222 is the Unity node that owns the AMIS delivery location 111. If you were to put an AMIS delivery location on 333, say 112, and then subscribers addressed messages using that 112 delivery location, then the messages would go out on 333.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.