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Calcudoku Zero ??? Sudoku Zero?

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Posted 4th Mar 2017 at 16:52
Can't seem to find an explanation on the site -- or anywhere else -- for the use of the word "Zero" in the title of these puzzles. It *strongly* infers that one should fill in the grid with 0, 1, 2, ... rather that 1, 2, 3, ... --- but that isn't the case. As far as I can tell, the seem to be standard Calcudoku/KenKen puzzles. What gives?

Same question for "Sudoku Zero".

Posted 4th Mar 2017 at 17:08
gareth Administrator Daily subscriber
There is no puzzle called 'Sudoku Zero', but I presume you mean 'Killer Sudoku Zero', and yes, 'Calcudoku Zero'?

It just means not every square is in a cage, so the puzzle is a mix of a regular sudoku or latin square and killer/calcudoku. As for the name it has been used by some other puzzle authors so I just used thesame one. I agree it makes little sense - I think the person who named it doesn't speak English as a first language, so that may be why.


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