[Community Puzzle] Retaining Water

Great puzzle! I had fun solving it. Not sure if it;s so easy :slight_smile:

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When you wanted to solve an easy puzzle and got pain in the ass instead. I like this one.

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I wonder how to find a spot for flowing water without using a floodfill ? It would be like finding the exit of a maze without pathfinding… Weird ! No idea about this simple solution ! I’ll try the floodfill one :smiley: