Killer Sudoku

The rules for Killer Sudoku are simple. The rules for regular sudoku apply, with one additional rule: The sum of the cells in a cage must equal the total given for the cage. Each digit in the cage must be unique.As in regular sudoku, every cell in each row, column, and nonet must contain a unique digit. In other words, each row, column, and nonet must contain all the digits from one to nine.

 

 

More Info:http://en.wikipedia.org/wiki/Killer_sudoku

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