Normal sudoku rules apply. Each main diagonal (marked in blue) cannot contain a repeated digit. Digits along an arrow must sum to the digit in that arrow's circle. Adjacent digits on green lines must differ by at least 5.
Normal sudoku rules apply. Each main diagonal (marked in blue) cannot contain a repeated digit. Digits along an arrow must sum to the digit in that arrow's circle. Adjacent digits on green lines must differ by at least 5.