Pro tip: strategy reminder for Dr. Mario

Dr. Mario, for the two or three of you that haven't played it, is a game about matching multicolored capsules to eliminate viruses. Basically, the gist is that you line up four segments of one color and they disappear.

Now when I see most people playing this game they only seem to get half of it. They do pretty well making vertical clears.

But for some reason it doesn't seem to 'click' with them that clears can also be made horizontally

But they totally can!

And I know some of you Dr. Mario vets are going 'Well, duh!', but hey, beginners need some love, too.