Logic Masters Deutschland e.V.

• Normal Sudoku rules apply. Place the digits 1-6 once in every row, column, and box.
• There are six types of modifiers, each modifying the value of a digit for the purposes of arrows. Each type of modifiers appears in every row, column, and box. No two or more modifiers can occupy the same cell. The modifiers apply the following operations to the digit n:
• 1. n*1     2. n*2     3. n*3
• 4. n*4     5. n*5     6. n*6
• The values of cell(s) on an arrow must sum to the value of the cell in the corresponding circle.

The following image is an example of a valid grid of 4x4. It is not a playable puzzle; it is only intended for demonstration purposes.

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