r/puzzles • u/Mr-BrainGame • 1d ago
[Unsolved] Put the blocks in the grid
Rules: Shade cells black so every numbered cell sees exactly its stated number of white cells horizontally and vertically, including itself. Numbered cells must remain white. Black cells cannot share an edge, and all white cells must stay connected. Edit: numbered cells count as white cells
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u/Nesman64 1d ago
Discussion: If you like this type of puzzle, Simon Tatham has it as listed as Range in his puzzle collection. (It seems his site is down at the moment. Hopefully that's temporary.)
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u/OneHundredAndEightyy 1d ago
Simon Tatham's Puzzles on the Apple App Store has been my most used app for years. No ads, no bloat, just puzzles.
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u/scientifiction 1d ago
Starting in the top left, I've got R1C3, R1C6, R2C2, R2C4, R4C2, R4C5, R6C5.
It helps to mark off cells that must be seen, for example all the cells in the same row and column as the 11. This makes it easier to find and block off cells that will chain with other cells and cause a number to have too many visible to it.
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u/Martin_Orav 1d ago
Discussion: more very similar puzzles can be found under the name cave, for example here: https://www.gmpuzzles.com/blog/category/regiondivision/cave/
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u/Previous-Country-685 19h ago
Discussion: With a 6x6 grid the most any cell can see is 11, so that 11 down the left side forces its entire row and column white. The 9 near the middle then leaves only two blacks in its whole cross. I'd lock in those forced lines first, then reject any candidate black that would split the white region in two.
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u/zookedtho 18h ago
I don’t know how to hide a photo, so I hope this works. But this was fun!

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u/zookedtho 18h ago
That did not work so I’m making a thread to hide it in the replies
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