Fill the grid with digits 1 to 9 so that each digit appears exactly once in every row and column. Clues inside the grid represent the relations between the digits in that cells. Besides gray painted cells form renban groups. These groups must hold consecutive numbers, in any order.
Solution code: Give the contents of both diagonals, first the one going from top left to bottom right, then the one going from bottom left to top right
on 16. August 2021, 00:37 by zhergan
Tags revision..
on 20. August 2011, 14:09 by Richard
The small renban-groups provide a nice extra constraint!
on 12. August 2011, 13:47 by Mody
Nice puzzle, i had really fun to solve it :)