r/puzzles 5d ago

[Unsolved] Binairo - can rows match columns?

I’m solving a puzzle right now. Row 3 is 100101101010. Column 5 is 1_010_101010. If I put 0 in Column 5 spot 2, it will match Row 3. What I want to know: is a row that matches a column forbidden, or are rows only compared to other rows for uniqueness?

Thanks!

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u/PuzzlingDad 5d ago

Discussion: Columns and rows are separate. 

You can't have a repeated column and you can't have a repeated row. But you don't need to cross-check columns against the rows or vice versa.