Calcudoku puzzle forum

Even Sumdoku
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Author:  quadrata  [ Thu Sep 10, 2020 5:59 pm ]
Post subject:  Even Sumdoku

Here's a sudoku I just made where the clues reveal the sums of the entries in adjacent cells. The catch is that the numbers are only given when that sum is even! A numberless dot tells you that the sum is odd without revealing what it is.

Solution, PDF, and more at: ... udoku.html


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