Using the author's input as the solution, but correcting and adjusting it down to showcase faster speeds, not going for true optimal cause showcasing something. Link to video Fun Fact, since you didn't know. A literal dot gives the answer 7. Here's the userfile so you can check it out. Also I suggest cooling down on that mashing on the screen you have going on before the training course. Good attempt, but I personally think that Brain Age has been milked dry with the insane drawings