Place the digits 1 to 9 in every row, column and 3x3 standard block. All the digits on the marked diagonal lines must also be different. Besides gray painted cells form renban groups. These groups must hold consecutive digits, in any order.
Solution code: First enter the content of column 7, then give sum of the digits for each of 4 renban groups increasing in order.
on 16. August 2021, 01:01 by zhergan
Tags revision..
on 15. August 2021, 23:00 by zhergan
Tags and labels revision..
on 25. July 2010, 22:12 by ibag
Very nice puzzle!
on 19. February 2010, 21:56 by Senior
@Zafer:
Perhaps, due to your nice puzzles, I may become a Renban-fan even at my old age!?
on 17. February 2010, 22:40 by zuzanina
Nice one! And really not to hard...