In December 2021 there was a logic puzzle advent calender on mathebau.rocks, containing variants of standard puzzles. These puzzles are now uploaded to the puzzle portal.
Rules: Divide the grid into regions of size at most three. Regions of the same size cannot touch orthogonally. Numbers indicate the size of the region they lie in.
Solution code: Row 1, followed by column 9
on 3. August 2024, 17:24 by CJK
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