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: Blacken some cells, such that no two black cells touch (orthogonally). Uncolored numbers indicate, how many black cells lie in the corresponding direction (blackened number do not necessary indicate this). Draw a closed loop through all uncolored digitless cells, that does neither cross nor overlap.
Solution code: For every row, the number of black cells
on 12. May 2024, 11:03 by CJK
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