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Killer-X-tra (2) (Posted on 2008-06-20) Difficulty: 4 of 5
Place the numbers 1 to 9 once in each row, column, long diagonal and 3x3 box. Obviously, the central yellow-coloured 3x3 box is common to both grids.

The number in the cage (or shaded area) represents the result of an arithmetical operation by its accompanying sign. For example, 4÷ in a two-celled cage means that it contains either 8 and 2 or 4 and 1 (in any order).

Unlike Killer Sudoku, the same number may appear more than once in a cage. So, 28x in a cage which overlaps the 3x3 grids may contain two 2s and a 7.



Once again, I wish to thank brianjn most sincerely for his continued support. He converted my black and white Excel image to a coloured one in 'jpg' format.
Acknowledgement to Peter at sudexel.com for beta testing the puzzle.

No Solution Yet Submitted by Josie Faulkner    
Rating: 4.7500 (4 votes)

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Back again | Comment 4 of 16 |
Hi Dej Mar,

Have checked it again and can confirm that it "works". I found that not only did I need the clues, I also needed to rely on the 3x3 boxes and the long diagonals. Hope this helps!

Josie

  Posted by Josie Faulkner on 2008-06-23 12:31:25
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