For each of two 9x9 grids; place the digits 1 to 9 in every row, column, 3x3 standard block and the 4 extra areas (which are painted with blue for the upper sudoku and painted with yellow for the lower sudoku).
Solution code: Row 4, followed by column 9
on 16. August 2021, 00:38 by zhergan
Tags revision..
on 21. August 2013, 00:43 by Oliver Strauß
Thank you Zhergan for this very nice designed puzzle. I really enjoyed solving it although it took me uncountable new prints. Now it's time to try the triple...
on 12. May 2012, 22:20 by RobertBe
Very nice, one number at a time fully logical solvable
on 17. January 2012, 00:28 by Realshaggy
Great!
on 18. November 2011, 23:12 by Statistica
Klasse Rätsel, aber auch eine harte Nuss. Und gar nicht so leicht, den Überblick zu behalten :-). Aber es lohnt sich!
on 13. November 2011, 13:57 by Mody
Great construction, and really no T&E :)
on 12. November 2011, 12:07 by Richard
Very nice puzzle with an interesting solving path!
Thanks Zafer for this one... :-)