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sp332
on Nov 13, 2014
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0h h1 – A little logic game
Well if you switch the squares on row 3, you have to switch the square on row 1 as well. Otherwise the columns will not have even numbers of red and blue squares.
anon4
on Nov 13, 2014
[–]
Oh. It's really confusing to show not only the current mistake but also the mistakes that would be introduced by fixing it.
sp332
on Nov 13, 2014
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parent
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True. There is only a single solution to each puzzle, so it just highlights all the blocks which don't match the known solution.
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