Logic Masters Deutschland e.V.

This puzzle uses a new rule which Gnubeutel came up with, which I find very interesting to work with. I don't want to spoil too much, but the rule is a reference to the Mad Magazine Fold-Ins. If you want to learn more about the inspiration or want to get a better explanation of the rule, I suggest you check out the puzzle A Tribute to Al Jaffee.


Solve with SudokuPad.

Rules:

• Normal Sudoku rules apply.


• Fold-In: The dashed red lines are folded onto each other so that columns 1, 2, 8, and 9 form a secondary grid. In this grid, all rules apply, except that regions and rows do not need to have all digits (it's a 4x9 grid).


• Arrows: Digits along an arrow line sum to the number in the attached circle.