Looks Like Someone is Lost
Imagine what will be your response when you work so hard to separate tiny pearls of two different colors just so that you could use them efficiently. However, in this case, one blue pearl has found its way into the alien territory of other red pearls. That blue pearl is in the wrong neighborhood.

Now if you were to separate that blue pearl from the rest of the red ones it would cost you a staggering amount of time. This minor flaw is undoubtedly irritating and noticeable to the viewer. What else you can do to take that blue pearl out? You better start working already.