Normal sudoku rules apply. In cages, digits must sum to the small clue given in the top-left corner of the cage. Digits cannot repeat within a cage. Two cells separated by a king's move (in chess) cannot contain the same digit.
Normal sudoku rules apply. In cages, digits must sum to the small clue given in the top-left corner of the cage. Digits cannot repeat within a cage. Two cells separated by a king's move (in chess) cannot contain the same digit.