Normal sudoku rules apply. The digits within a cage cannot repeat and must sum to the small clue in the cage's top left corner. The numbers x and y have to be determined by the solver. NB 2x means 2 multiplied by x.
Normal sudoku rules apply. The digits within a cage cannot repeat and must sum to the small clue in the cage's top left corner. The numbers x and y have to be determined by the solver. NB 2x means 2 multiplied by x.