Place the digits 1 to 9 in every row, column and 3x3 standard block. Cells connected with a chess-knight move could not contain same digits. Besides grey
painted cells form renban groups. These groups must hold consecutive numbers, in any order. Each letter represents a different digit.
In addition, the following equations must be satisfied:
Solution code: Row 7, followed by column 7
on 16. August 2021, 00:51 by zhergan
Tags and labels revision..
on 29. October 2016, 09:41 by Statistica
Schön. Und schwieriger als gedacht.