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. Each main diagonal (marked in blue) cannot contain a repeated digit.
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. Each main diagonal (marked in blue) cannot contain a repeated digit.