One of the most basic beginner rules is to avoid bar branches. That is to say remove one of two branches that appear on the same level but directly opposite each other. This rule as all rules for bonsai or any art form is often helpful in designing a basic bonsai for a beginner. In more mature trees and with mature bonsai artists the rule is often broken. See what you think with with this example.
Which one looks the best is or the best one the original design and keeping the bar branches as you see below?