Digits in grey cells (inside and outside the grids) are the same in both grids. All other digits are different in both grids.
Although this puzzle is completely logically solvable, it contains a few tricky steps.
Solution code: Rows 4 of both grids (2x6 digits).
on 26. July 2022, 11:46 by Krokant
That was fun. :)
on 5. June 2022, 07:47 by Nick Smirnov
Penpa:
https://tinyurl.com/2ansqp3b
on 18. May 2014, 13:42 by Rollo
Sehr schön! Ich bin ohne Trick durchgekommen, aber gaaanz langsam ;-).
on 17. May 2014, 14:33 by Mody
ganz schön tricky :)
on 17. May 2014, 11:42 by cornuto
Hat mal wieder Spaß gemacht. Danke.
on 17. May 2014, 09:50 by AnnaTh
Very nice!
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