Solution code: column 4
on 9. October 2022, 07:51 by Richard
Added link and tag for online solving. Thx Nick!
on 6. October 2022, 04:13 by Nick Smirnov
Penpa:
https://tinyurl.com/2l67fpbp
on 30. October 2021, 02:13 by uvo_mod
Label ergänzt.
on 9. April 2009, 18:55 by RobertBe
Very nice puzzle; can be solved by using logic only (instead of trial and error).
on 8. April 2009, 11:36 by Naphthalin
interessant^^ irgendwie hab ich für die I wesentlich länger gebraucht...
sehr schönes rätsel!
on 1. April 2009, 22:40 by pin7guin
Thank you, Richard, for this new and superb Sudoku-variant. I like it!
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.