For each of three 9x9 grids; place the digits 1 to 9 in every row, column and 3x3 standard block. Besides blue painted cells form renban groups. These groups must hold consecutive digits, in any order.
Solution code: The marked row, followed by the marked column.
on 15. August 2021, 23:19 by zhergan
Tags revision..
on 1. August 2010, 00:22 by zhergan
@pin7guin: Claudia I sent a PM via forum to answer your question.
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