Standard sudoku: in each row, column, and 3x3 region, each digit 1-9 appears exactly once.
Region sum lines: Region borders divide lines into segments. Along a line, all segments have the same sum. Different lines may have different sums.
Solution code: Row 2
on 12. July 2025, 00:12 by Ragna
The whole puzzle once more. :-(
on 11. July 2025, 18:09 by ul-Rhymm
Wrong Solution Row/Code
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