Normal sudoku rules apply. Digits cannot repeat within a cage. Clues outside the grid indicate the sum total of the digits in the cage that contains the Nth cell from that direction, where N is the first digit from that direction.
Normal sudoku rules apply. Digits cannot repeat within a cage. Clues outside the grid indicate the sum total of the digits in the cage that contains the Nth cell from that direction, where N is the first digit from that direction.