Place the numbers 1 to 12 in every row, column and given 3x4 areas. All the digits on the marked diagonal lines must also be different. Besides the grey painted area must contain all numbers once.
Solution code: Row 8, followed by column 2
on 16. August 2021, 01:01 by zhergan
Tags revision..
on 30. January 2010, 17:01 by Mody
Really nice, but i think the puzzle is more difficult than 3 stars.
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