Place the digits 1 to 9 in every row, column and 3x3 standard block. All the digits on the marked diagonals must also be different. Besides painted cells with same colour form renban groups. These groups must hold consecutive digits, in any order. There exists 4 toroidal renban groups in the grid.
Solution code: Row 3, followed by column 8.
on 16. August 2021, 01:04 by zhergan
Tags revision..
on 16. August 2021, 00:52 by zhergan
Tags and labels revision..
on 8. May 2018, 17:55 by AnnaTh
Leider keinen komplett logischen Weg gefunden. :-(
on 28. April 2018, 23:11 by zhergan
Forgotten toroidal label is added..