Diagonal Sudoku with Extra Regions
(Published on 17. September 2010, 23:36 by zhergan)
Place the digits 1 to 9 in every row, column, 3x3 standard block and 4 extra regions painted with grey. All digits on two main diagonals must also be different.
Solution code: Both diagonals, first the one from top left to the bottom right, then the one from top right to the bottom left.
Last changed on on 15. August 2021, 23:32
Solved by Alex, saskia-daniela, pokerke, ManuH, Antarez, Richard, Hansjo, RobertBe, Rollie, ibag, sandmoppe, Luigi, sojaboon, flaemmchen, Le Ahcim, Saskia, ffricke, julius64, zorant, Mitchsa, Javier Rebottaro, ... marcmees, KlausRG, crissu, ch1983, PRW, kishy72, Babsi, EMREdersin, Joe Average, tuace, Carolin, skypper, Zzzyxas, Julianl, Uhu, skywalker, moss, Realshaggy, SKORP17, hawranomut, Krokant, jalebc
Comments
on 15. August 2021, 23:32 by zhergan
Tags and labels revision..
on 25. June 2011, 18:19 by logik66
Very hard.
on 15. December 2010, 16:36 by Fred76
Hard, but very beautiful design ! I like it !
