Put in each row, in each column and in each 3x3 block the number from 1 to 9. In addition diagonally next but one cells must not contain next but one digits.
Digit 7 in r7c3 prevents 5 and 9 in r9c5.
Solution code: The 2. the 8. row
on 18. July 2023, 07:07 by uvo_mod
Added Sudoku tag.
on 10. July 2012, 07:49 by Oliver Strauß
Tolles Rätsel - vielen Dank.
on 7. May 2012, 11:58 by Saskia
Viel Spaß :) Gern auch kniffliger ...
on 6. May 2012, 18:55 by logik66
Schöne Rätselvariante
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