Normal sudoku rules apply. In cages, digits must sum to the small clue in the top left corner of the cage. Digits cannot repeat within a cage. Digits along a main diagonal (marked in blue) may not repeat.
Normal sudoku rules apply. In cages, digits must sum to the small clue in the top left corner of the cage. Digits cannot repeat within a cage. Digits along a main diagonal (marked in blue) may not repeat.