Logic Masters Deutschland e.V.

Normal Sudoku rules apply.

The red lines are both Product-Sum Lines and Region-Sum Lines

• Digits along a line sum to the product of the digits in the two connected squares.
• The sum of the digits on the line (including the attached squares) is the same for each region the line passes through.
• Lines sharing a connected square should be treated independently when calculating the region sum totals.
• Digits may repeat on a line if permitted by other rules.

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If you enjoyed this puzzle, please check out the previous puzzles in this series

• German Engineering
• Limited Production Run
• Pinwheel
• Pineapple
• Conspiracy
• Escher
• Production Line

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