Logic Masters Deutschland e.V.

A fun take on a frustrating issue I occasionally encounter at work. Originally posted to the CTC Discord on Jul 30, 2023.

• Normal Sudoku rules apply.
• Little Killer: Clues outside the grid indicate the sum of the digits along that arrow's diagonal
• Arrow: Digits along an arrow sum to the digit in that arrow's circle
• Disjoint Group: Cells within the same positions in a 3x3 Box cannot contain repeated digits
• NULL Cells: One cell in each Row, Column, 3x3 Box, and Disjoint Group is a NULL cell, whose value is not considered for any given clues. A NULL total is only valid if every cell being compared is also NULL. The digits 1-9 appear in a NULL cell exactly once.

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