When I am designing I often find that I add three greens (or some other colour) at the same time. This means that they are assigned symbols that are far too close, eg arrows pointing west, east and north. This means that two of them have to be manually altered as a chart with three different arrows in the same tree is unworkable. Can you mix up the order in which the symbols are used? I don't mind altering the odd one, but to alter two thirds is a bit excessive!
Thanks, Julia