Normal sudoku rules apply. Digits cannot repeat in a cage and sum to the clue in the upper left corner. A clue outside the grid indicates the sum of the digits between the 1 and the 9 in that row or column.
Normal sudoku rules apply. Digits cannot repeat in a cage and sum to the clue in the upper left corner. A clue outside the grid indicates the sum of the digits between the 1 and the 9 in that row or column.