What are the rules of Jigsaw Sudoku?
The rules of jigsaw sudoku are to ensure that you place each number from 1 - 9 - in a 9 x 9 puzzle - exactly once in each region.
This means that you also have 1 - 9 in each of the irregularly shaped jigsaw regions.
Therefore it can take a bit of getting used to to solve jigsaw sudoku the first few times as you may be very used to always looking at the regular 3 x 3 shaped boxes to be unique but of course this is not the case with jigsaw sudoku.
Also with jigsaw shaped regions it can be hard to sweep them so easily with your eyes to look for eliminations but once you get used to the puzzle you should find this is an enjoyable variant puzzle.
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