Normal Killer Sudoku. The sum of the digits on each red line is the same prime number.
Also as CTC-link
Solution code: Digits of row 8 from left to right (9 digits)
on 25. August 2025, 20:39 by SquareCat
Fun puzzle, I love a good prime sudoku!
on 25. August 2025, 16:38 by r_zimmer
R8C8 cage sum added
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