Normal sudoku rules apply. Digits in cages must sum to the number in the top left corner of the cage. Digits cannot repeat within a cage. Digits in circles must appear at least once in the four cells touching that circle.
Normal sudoku rules apply. Digits in cages must sum to the number in the top left corner of the cage. Digits cannot repeat within a cage. Digits in circles must appear at least once in the four cells touching that circle.