Learn the Dark Secrets of Quadruple Sudoku

My solve of "Sith Lord", a Skunkworks Collaboration; a sudoku using the Quadruples constraint.
Solve in SudokuPad: https://link.sudokupad.app/sithlord

This puzzle is a tutorial puzzle designed to make newer solvers comfortable with the Quadruple constraint in the lead up the March of the Quads.

Rules:
Normal Sudoku rules apply.
Digits in a Quadruple circle must be placed at least once in the four cells touching that circle.


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  / bremster  

Find the details of all the puzzles covered on my channel on the following tracking sheet: https://tinyurl.com/BremSterVidsv1


If you would like to reach out to me you can.
I am BremSter on the CtC discord, or you can email [email protected]

You can find many of my puzzles on my Logic Master's Germany profile page.
https://logic-masters.de/Raetselporta...