Place the digits 1 to 9 in every row, column and chain. All digits on two main diagonals must also be different. Besides grey painted cells form renban groups. These groups must hold consecutive numbers, in any order.
Solution code: Row 3, followed by column 7.
on 16. August 2021, 00:49 by zhergan
Tags revision..
on 4. August 2016, 15:14 by dm_litv
Very nice!
on 4. August 2016, 12:58 by zorant
Great puzzle!
on 4. August 2016, 08:56 by flaemmchen
Schön! Hat mir gut gefallen :-))
on 4. August 2016, 05:29 by zhergan
The puzzle text has been revised. I forgot to give the constraints on the main diagonals :(