Normal sudoku rules apply. Numbers in circles show the difference between the adjoining pair of digits. Digits separated by a V sum to 5. Digits separated by an X sum to 10. Not all such differences, Xs or Vs are shown.
Normal sudoku rules apply. Numbers in circles show the difference between the adjoining pair of digits. Digits separated by a V sum to 5. Digits separated by an X sum to 10. Not all such differences, Xs or Vs are shown.