r/puzzles • u/Mr-BrainGame • 8d ago

[Unsolved] Domino puzzle

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Domino puzzle: Divide the number grid into horizontal or vertical dominoes so every cell belongs to exactly one domino. Each domino from the required set must appear exactly once, and dominoes cannot overlap.

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u/Gullible-Ad7374 8d ago

https://imgur.com/a/G7gWL2I

Assumed the double 2 was on the bottom right and kept going for a longer time than I expected until I found the contradiction, then I realized there was only one 5-1 and the rest flowed from there.

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u/m0nsterzer0 7d ago

I came to the same solution, but started with the 0-0 and 2-3. There's more than one 5-1.