Normal sudoku rules apply. Digits along an arrow must sum to the digit in that arrow's circle. In cages, digits must sum to the small clue in the top left corner of the cage (if given). Along each main diagonal (marked in blue) digits cannot repeat.
Normal sudoku rules apply. Digits along an arrow must sum to the digit in that arrow's circle. In cages, digits must sum to the small clue in the top left corner of the cage (if given). Along each main diagonal (marked in blue) digits cannot repeat.