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solution booklet, round 7, puzzle 8

Hello, everyone.
I' m trying to figure out number 4, last row in puzzle 8, "Tapa". Was it meant to be 4 or maybe 3? Could you please help me?

Thank you!


There seems to be a mistake in the solution file indeed. The clue was definitely meant to be a 4, as the puzzle would otherwise have two solutions (the cell in the bottom-right corner could be either white or black if the clue was a 3).
In short: the competition puzzle is correct, and in the solution file the cell R10C9 should be black and not white.

Thank you so much.