The Courier & Advertiser (Angus and Dundee)
Sudoku
For Killer Sudoku, the normal rules of Sudoku apply. However, in addition, the digits in each inner shape (marked by dotted lines) must add up to the number in the top corner of the shape.
The Courier & Advertiser (Angus and Dundee)
For Killer Sudoku, the normal rules of Sudoku apply. However, in addition, the digits in each inner shape (marked by dotted lines) must add up to the number in the top corner of the shape.