Normal sudoku rules apply. In cages, digits must sum to the small clue in the top left corner of the cage. Digits cannot repeat within a cage. Odd digits(1, 3, 5, 7, 9) can appear consecutively for more than two cells vertically, but not more than two cells horizontally. Even digits(2, 4, 6, 8) can appear consecutively for more than two cells horizontally, but not more than two cells vertically.