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.
Lösungscode: Both diagonals, first the one from top left to the bottom right, then the one from top right to the bottom left.
am 15. August 2021, 23:33 Uhr von zhergan
Tags and labels revision..
am 6. Januar 2012, 13:24 Uhr von Oliver Strauß
Nice and tricky puzzle. Thank you zhergan.
am 20. September 2010, 16:48 Uhr von Statistica
Also, ich habe mich auch schwer getan :-(
am 19. September 2010, 13:04 Uhr von ibag
Ein bißchen mühsam, aber machbar.