At first glance, a puzzle built from colorful blocks seems harmless, almost trivial—a quick challenge meant to pass a few seconds of idle time. You look, you count, you answer, and you move on. Yet something subtle happens in that moment between seeing and deciding. The brain, eager to be efficient, rushes to organize what is in front of it. It identifies the most obvious shapes, groups them quickly, and produces an answer that feels complete. That sense of completion is powerful. It creates confidence, sometimes even certainty, long before the mind has explored every angle of the image. This...
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