Normal sudoku rules apply. Additionally, both main diagonals contain each digit from 1 to 9 exactly once. Clues outside the grid give the sum of the digits along the indicated diagonal. The digits on such a diagonal may repeat.
Normal sudoku rules apply. Additionally, both main diagonals contain each digit from 1 to 9 exactly once. Clues outside the grid give the sum of the digits along the indicated diagonal. The digits on such a diagonal may repeat.