Quadcopter

**Standard Sudoku, Quadruples, Cages** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Quadruples: Digits in a Quadruple circle must be placed at least once in the four cells touching that circle. - Cages: Digits in cages cannot repeat and must sum to the value shown in the upper left corner of the cage. Subscribe to our mailing list to receive a weekly email with all of our puzzles from the previous week: https://missingdeck.net/mailing.html