Place the digits 1 to 9 in every row, column, 3x3 standard block. All digits inside 4 extra windows (represented by dashed lines) must also be different. Besides green painted cells form renban groups. These groups must hold consecutive digits, in any order.
Solution code: Row 9, followed by column 7
on 16. August 2021, 00:42 by zhergan
Tags and labels revision..
on 14. July 2012, 07:57 by Richard
Very nice construction Zafer! Thanks.
on 13. July 2012, 12:22 by ibag
Richtig schön!
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