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#1: Web Paint-By-Number Robot (webpbn) on May 9, 2026

Found to be solvable with moderate lookahead by wombatilim.

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Have you ever had a glitch where every square you mouse over turns some random color? It hasn't happened very often, but the upper left corner was really giving me headaches. After turning colors all over the place I tried to move the mouse out of the puzzle and got a colorful streak the whole way.

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Belita, maybe you need to clear your cache?

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Belita, the same thing happens to me occasionally... moving the cursor with the mouse leaves a path of utter destruction across the grid! Don't know why it happens, so I just remove the cursor, and hit "undo" until it is back to the way it was. Even with that glitch, it is still far better than the old puzzle-book-and-pencil days, when I sometimes didn't do so well containing my mark in that little box.

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Way to go Kristen!

Belita and Bruce - I've had my mouse leave behind a trail like that when another window popped up while my mouse button was down.

Techie detail: I am pretty sure that the problem is that when you let go of your mouse button while the other window is selected, then the signal that says that you let go of the mouse button goes to the other window and not to webpbn, so webpbn thinks the button is still down when it isn't, and behaves as if the button was still down.

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