This temporal correlation doesn't happen very often when viewing the scenario like this. When it does, the display shows a yellow highlight.
The counter now shows how many of these correlations happen relative to the total number of drums sent out.
You may have to wait quite a while to see even one because we are only observing a tiny fraction of the recipients; your local neighbourhood if you like. Use the speed slider to make them happen quicker. You still may need to wait a while before one happens.
Click NEXT whenever you like.