Wind-up, Wind-down

**Standard Sudoku, Cages, Disjoint Groups** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Cages: Digits in cages cannot repeat and must sum to the value shown in the upper left corner of the cage. - Disjoint Groups: Cells in the same relative position in different boxes cannot contain the same digits.