Double Down

**Sudoku, X-Sums, Cages** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - X-Sums: Digits outside the grid give the total of the first X digits in the row or column (starting next to the number outside the grid) where X is the first digit along that row or column. - Cages: Digits in cages sum to the value shown in the upper left corner of the cage. For more of our puzzles, please visit https://missingdeck.net